86428885947936 has 72 divisors (see below), whose sum is σ = 263916776748240. Its totient is φ = 24693967412352.

The previous prime is 86428885947923. The next prime is 86428885947991. The reversal of 86428885947936 is 63974958882468.

It is a super-2 number, since 2×86428885947936² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9186739126 + ... + 9186748533.

It is an arithmetic number, because the mean of its divisors is an integer number (3665510788170).

Almost surely, 2^{86428885947936} is an apocalyptic number.

It is an amenable number.

86428885947936 is an abundant number, since it is smaller than the sum of its proper divisors (177487890800304).

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

86428885947936 is a wasteful number, since it uses less digits than its factorization.

86428885947936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18373487686 (or 18373487671 counting only the distinct ones).

The product of its digits is 40131624960, while the sum is 87.

The spelling of 86428885947936 in words is "eighty-six trillion, four hundred twenty-eight billion, eight hundred eighty-five million, nine hundred forty-seven thousand, nine hundred thirty-six".