85387374872 has 16 divisors (see below), whose sum is σ = 163824615240. Its totient is φ = 41700810816.

The previous prime is 85387374841. The next prime is 85387374881. The reversal of 85387374872 is 27847378358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124109213 + ... + 124109900.

Almost surely, 2^85387374872 is an apocalyptic number.

It is an amenable number.

85387374872 is a deficient number, since it is larger than the sum of its proper divisors (78437240368).

85387374872 is a wasteful number, since it uses less digits than its factorization.

85387374872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248219162 (or 248219158 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 62.

The spelling of 85387374872 in words is "eighty-five billion, three hundred eighty-seven million, three hundred seventy-four thousand, eight hundred seventy-two".