85107242572 has 24 divisors (see below), whose sum is σ = 164534146560. Its totient is φ = 38195423760.

The previous prime is 85107242543. The next prime is 85107242581. The reversal of 85107242572 is 27524270158.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12238648 + ... + 12245599.

It is an arithmetic number, because the mean of its divisors is an integer number (6855589440).

Almost surely, 2^85107242572 is an apocalyptic number.

It is an amenable number.

85107242572 is a deficient number, since it is larger than the sum of its proper divisors (79426903988).

85107242572 is a wasteful number, since it uses less digits than its factorization.

85107242572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484341 (or 24484339 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 43.

The spelling of 85107242572 in words is "eighty-five billion, one hundred seven million, two hundred forty-two thousand, five hundred seventy-two".