172868708580 has 24 divisors (see below), whose sum is σ = 484032384192. Its totient is φ = 46098322272.

The previous prime is 172868708557. The next prime is 172868708581. The reversal of 172868708580 is 85807868271.

172868708580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172868708580² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 2881145143 = 172868708580 / (1 + 7 + 2 + 8 + 6 + 8 + 7 + 0 + 8 + 5 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (172868708581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440572512 + ... + 1440572631.

It is an arithmetic number, because the mean of its divisors is an integer number (20168016008).

Almost surely, 2^172868708580 is an apocalyptic number.

172868708580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172868708580 is an abundant number, since it is smaller than the sum of its proper divisors (311163675612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172868708580 is a wasteful number, since it uses less digits than its factorization.

172868708580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881145155 (or 2881145153 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 60.

The spelling of 172868708580 in words is "one hundred seventy-two billion, eight hundred sixty-eight million, seven hundred eight thousand, five hundred eighty".