855572375628 has 24 divisors (see below), whose sum is σ = 2218150603760. Its totient is φ = 285190791840.

The previous prime is 855572375587. The next prime is 855572375659. The reversal of 855572375628 is 826573275558.

It is a happy number.

855572375628 is a `hidden beast` number, since 8 + 5 + 5 + 572 + 3 + 7 + 56 + 2 + 8 = 666.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3960983113 + ... + 3960983328.

Almost surely, 2^855572375628 is an apocalyptic number.

It is an amenable number.

855572375628 is an abundant number, since it is smaller than the sum of its proper divisors (1362578228132).

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

855572375628 is a wasteful number, since it uses less digits than its factorization.

855572375628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921966454 (or 7921966446 counting only the distinct ones).

The product of its digits is 141120000, while the sum is 63.

The spelling of 855572375628 in words is "eight hundred fifty-five billion, five hundred seventy-two million, three hundred seventy-five thousand, six hundred twenty-eight".