105572687880 has 64 divisors (see below), whose sum is σ = 345510619200. Its totient is φ = 25593378560.

The previous prime is 105572687867. The next prime is 105572687881. The reversal of 105572687880 is 88786275501.

It is a super-2 number, since 2×105572687880² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105572687880.

It is not an unprimeable number, because it can be changed into a prime (105572687881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39988335 + ... + 39990974.

It is an arithmetic number, because the mean of its divisors is an integer number (5398603425).

Almost surely, 2^105572687880 is an apocalyptic number.

105572687880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105572687880 is an abundant number, since it is smaller than the sum of its proper divisors (239937931320).

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

105572687880 is a wasteful number, since it uses less digits than its factorization.

105572687880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79979334 (or 79979330 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 105572687880 in words is "one hundred five billion, five hundred seventy-two million, six hundred eighty-seven thousand, eight hundred eighty".