855025032947904 has 168 divisors, whose sum is σ = 3016338310862240. Its totient is φ = 225501107576832.

The previous prime is 855025032947821. The next prime is 855025032947927. The reversal of 855025032947904 is 409749230520558.

855025032947904 is a `hidden beast` number, since 8 + 5 + 5 + 0 + 250 + 3 + 294 + 7 + 90 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8156092969 + ... + 8156197800.

Almost surely, 2^{855025032947904} is an apocalyptic number.

855025032947904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

855025032947904 is an abundant number, since it is smaller than the sum of its proper divisors (2161313277914336).

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

855025032947904 is a wasteful number, since it uses less digits than its factorization.

855025032947904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16312290807 (or 16312290794 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 855025032947904 in words is "eight hundred fifty-five trillion, twenty-five billion, thirty-two million, nine hundred forty-seven thousand, nine hundred four".