85257060312 has 32 divisors (see below), whose sum is σ = 220018222080. Its totient is φ = 27502277280.

The previous prime is 85257060311. The next prime is 85257060337. The reversal of 85257060312 is 21306075258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85257060311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57295668 + ... + 57297155.

It is an arithmetic number, because the mean of its divisors is an integer number (6875569440).

Almost surely, 2^85257060312 is an apocalyptic number.

It is an amenable number.

85257060312 is an abundant number, since it is smaller than the sum of its proper divisors (134761161768).

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

85257060312 is a wasteful number, since it uses less digits than its factorization.

85257060312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114592863 (or 114592859 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 85257060312 in words is "eighty-five billion, two hundred fifty-seven million, sixty thousand, three hundred twelve".