85597826772 has 48 divisors (see below), whose sum is σ = 201594724352. Its totient is φ = 28266628320.

The previous prime is 85597826761. The next prime is 85597826773. The reversal of 85597826772 is 27762879558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85597826773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012443 + ... + 1093725.

Almost surely, 2^85597826772 is an apocalyptic number.

It is an amenable number.

85597826772 is an abundant number, since it is smaller than the sum of its proper divisors (115996897580).

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

85597826772 is a wasteful number, since it uses less digits than its factorization.

85597826772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82108 (or 82106 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 66.

The spelling of 85597826772 in words is "eighty-five billion, five hundred ninety-seven million, eight hundred twenty-six thousand, seven hundred seventy-two".