85652497938 has 96 divisors (see below), whose sum is σ = 200782257408. Its totient is φ = 24287558400.

The previous prime is 85652497883. The next prime is 85652497943. The reversal of 85652497938 is 83979425658.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22067758 + ... + 22071638.

It is an arithmetic number, because the mean of its divisors is an integer number (2091481848).

Almost surely, 2^85652497938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85652497938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100391128704).

85652497938 is an abundant number, since it is smaller than the sum of its proper divisors (115129759470).

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

85652497938 is a wasteful number, since it uses less digits than its factorization.

85652497938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448 (or 4441 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 66.

The spelling of 85652497938 in words is "eighty-five billion, six hundred fifty-two million, four hundred ninety-seven thousand, nine hundred thirty-eight".