85812726552 has 64 divisors (see below), whose sum is σ = 245205792000. Its totient is φ = 24515264640.

The previous prime is 85812726547. The next prime is 85812726607. The reversal of 85812726552 is 25562721858.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85812726495 and 85812726504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943602 + ... + 1987262.

It is an arithmetic number, because the mean of its divisors is an integer number (3831340500).

Almost surely, 2^85812726552 is an apocalyptic number.

It is an amenable number.

85812726552 is an abundant number, since it is smaller than the sum of its proper divisors (159393065448).

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

85812726552 is a wasteful number, since it uses less digits than its factorization.

85812726552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55376 (or 55372 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 51.

The spelling of 85812726552 in words is "eighty-five billion, eight hundred twelve million, seven hundred twenty-six thousand, five hundred fifty-two".