28031110074 has 64 divisors (see below), whose sum is σ = 68347255680. Its totient is φ = 8445144960.

The previous prime is 28031110061. The next prime is 28031110111. The reversal of 28031110074 is 47001113082.

28031110074 is a `hidden beast` number, since 280 + 311 + 1 + 0 + 0 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33627 + ... + 239150.

It is an arithmetic number, because the mean of its divisors is an integer number (1067925870).

Almost surely, 2^28031110074 is an apocalyptic number.

28031110074 is an abundant number, since it is smaller than the sum of its proper divisors (40316145606).

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

28031110074 is a wasteful number, since it uses less digits than its factorization.

28031110074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272972 (or 272966 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 28031110074 in words is "twenty-eight billion, thirty-one million, one hundred ten thousand, seventy-four".