30472892856 has 96 divisors (see below), whose sum is σ = 94349305440. Its totient is φ = 8703915264.

The previous prime is 30472892839. The next prime is 30472892903. The reversal of 30472892856 is 65829827403.

30472892856 is a `hidden beast` number, since 3 + 0 + 472 + 8 + 92 + 85 + 6 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2188990 + ... + 2202866.

It is an arithmetic number, because the mean of its divisors is an integer number (982805265).

Almost surely, 2^30472892856 is an apocalyptic number.

30472892856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30472892856 is an abundant number, since it is smaller than the sum of its proper divisors (63876412584).

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

30472892856 is a wasteful number, since it uses less digits than its factorization.

30472892856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18253 (or 18246 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 30472892856 in words is "thirty billion, four hundred seventy-two million, eight hundred ninety-two thousand, eight hundred fifty-six".