85582458816 has 56 divisors (see below), whose sum is σ = 227089655040. Its totient is φ = 28445252352.

The previous prime is 85582458809. The next prime is 85582458881. The reversal of 85582458816 is 61885428558.

It is a super-2 number, since 2×85582458816² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85582458816.

It is a congruent number.

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, 575656 + ... + 708903.

Almost surely, 2^85582458816 is an apocalyptic number.

It is an amenable number.

85582458816 is an abundant number, since it is smaller than the sum of its proper divisors (141507196224).

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

85582458816 is a wasteful number, since it uses less digits than its factorization.

85582458816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284921 (or 1284911 counting only the distinct ones).

The product of its digits is 24576000, while the sum is 60.

The spelling of 85582458816 in words is "eighty-five billion, five hundred eighty-two million, four hundred fifty-eight thousand, eight hundred sixteen".