85671404696388 has 72 divisors (see below), whose sum is σ = 237484258687872. Its totient is φ = 23956745378496.

The previous prime is 85671404696387. The next prime is 85671404696411. The reversal of 85671404696388 is 88369640417658.

It is not an unprimeable number, because it can be changed into a prime (85671404696387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549968831 + ... + 1550024102.

It is an arithmetic number, because the mean of its divisors is an integer number (3298392481776).

Almost surely, 2^{85671404696388} is an apocalyptic number.

It is an amenable number.

85671404696388 is an abundant number, since it is smaller than the sum of its proper divisors (151812853991484).

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

85671404696388 is a wasteful number, since it uses less digits than its factorization.

85671404696388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099993001 (or 3099992992 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 75.

The spelling of 85671404696388 in words is "eighty-five trillion, six hundred seventy-one billion, four hundred four million, six hundred ninety-six thousand, three hundred eighty-eight".