85827612516 has 96 divisors (see below), whose sum is σ = 212548976640. Its totient is φ = 26880143616.

The previous prime is 85827612509. The next prime is 85827612569. The reversal of 85827612516 is 61521672858.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13968541 + ... + 13974683.

It is an arithmetic number, because the mean of its divisors is an integer number (2214051840).

Almost surely, 2^85827612516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85827612516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106274488320).

85827612516 is an abundant number, since it is smaller than the sum of its proper divisors (126721364124).

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

85827612516 is a wasteful number, since it uses less digits than its factorization.

85827612516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665 (or 6663 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 51.

The spelling of 85827612516 in words is "eighty-five billion, eight hundred twenty-seven million, six hundred twelve thousand, five hundred sixteen".