172386848790 has 384 divisors, whose sum is σ = 534391603200. Its totient is φ = 38149263360.

The previous prime is 172386848737. The next prime is 172386848797. The reversal of 172386848790 is 97848683271.

172386848790 is a `hidden beast` number, since 1 + 7 + 2 + 3 + 8 + 68 + 487 + 90 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172386848797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 48708841 + ... + 48712379.

It is an arithmetic number, because the mean of its divisors is an integer number (1391644800).

Almost surely, 2^172386848790 is an apocalyptic number.

172386848790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 172386848790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267195801600).

172386848790 is an abundant number, since it is smaller than the sum of its proper divisors (362004754410).

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

172386848790 is a wasteful number, since it uses less digits than its factorization.

172386848790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3689 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 172386848790 in words is "one hundred seventy-two billion, three hundred eighty-six million, eight hundred forty-eight thousand, seven hundred ninety".