85256679178 has 8 divisors (see below), whose sum is σ = 139510929600. Its totient is φ = 38753035980.

The previous prime is 85256679143. The next prime is 85256679187. The reversal of 85256679178 is 87197665258.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1937651778 + ... + 1937651821.

It is an arithmetic number, because the mean of its divisors is an integer number (17438866200).

Almost surely, 2^85256679178 is an apocalyptic number.

85256679178 is a deficient number, since it is larger than the sum of its proper divisors (54254250422).

85256679178 is a wasteful number, since it uses less digits than its factorization.

85256679178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875303612.

The product of its digits is 50803200, while the sum is 64.

The spelling of 85256679178 in words is "eighty-five billion, two hundred fifty-six million, six hundred seventy-nine thousand, one hundred seventy-eight".