625381878088 has 16 divisors (see below), whose sum is σ = 1279190205360. Its totient is φ = 284264490000.

The previous prime is 625381878071. The next prime is 625381878089. The reversal of 625381878088 is 880878183526.

It is a super-2 number, since 2×625381878088² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (625381878089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553306038 + ... + 3553306213.

It is an arithmetic number, because the mean of its divisors is an integer number (79949387835).

Almost surely, 2^625381878088 is an apocalyptic number.

It is an amenable number.

625381878088 is an abundant number, since it is smaller than the sum of its proper divisors (653808327272).

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

625381878088 is a wasteful number, since it uses less digits than its factorization.

625381878088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106612268 (or 7106612264 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 64.

The spelling of 625381878088 in words is "six hundred twenty-five billion, three hundred eighty-one million, eight hundred seventy-eight thousand, eighty-eight".