85707338272 has 24 divisors (see below), whose sum is σ = 169044832656. Its totient is φ = 42775317312.

The previous prime is 85707338267. The next prime is 85707338291. The reversal of 85707338272 is 27283370758.

It is a happy 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, 2430718 + ... + 2465725.

It is an arithmetic number, because the mean of its divisors is an integer number (7043534694).

Almost surely, 2^85707338272 is an apocalyptic number.

It is an amenable number.

85707338272 is a deficient number, since it is larger than the sum of its proper divisors (83337494384).

85707338272 is a wasteful number, since it uses less digits than its factorization.

85707338272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897000 (or 4896992 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 85707338272 in words is "eighty-five billion, seven hundred seven million, three hundred thirty-eight thousand, two hundred seventy-two".