85701245072 has 20 divisors (see below), whose sum is σ = 169179110460. Its totient is φ = 42042119808.

The previous prime is 85701245051. The next prime is 85701245089. The reversal of 85701245072 is 27054210758.

It can be written as a sum of positive squares in 2 ways, for example, as 74898552976 + 10802692096 = 273676^2 + 103936^2 .

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, 50530547 + ... + 50532242.

It is an arithmetic number, because the mean of its divisors is an integer number (8458955523).

Almost surely, 2^85701245072 is an apocalyptic number.

It is an amenable number.

85701245072 is a deficient number, since it is larger than the sum of its proper divisors (83477865388).

85701245072 is a wasteful number, since it uses less digits than its factorization.

85701245072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101062850 (or 101062844 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

The spelling of 85701245072 in words is "eighty-five billion, seven hundred one million, two hundred forty-five thousand, seventy-two".