86377473522 has 126 divisors (see below), whose sum is σ = 200000483487. Its totient is φ = 27965787192.

The previous prime is 86377473517. The next prime is 86377473529. The reversal of 86377473522 is 22537477368.

86377473522 is a `hidden beast` number, since 8 + 6 + 3 + 77 + 47 + 3 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43188736761 + 43188736761 = 207819^2 + 207819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=207819.

It is a super-2 number, since 2×86377473522² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (86377473529) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 482555629 + ... + 482555807.

Almost surely, 2^86377473522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86377473522

86377473522 is an abundant number, since it is smaller than the sum of its proper divisors (113623009965).

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

86377473522 is an frugal number, since it uses more digits than its factorization.

86377473522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 227 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 54.

The spelling of 86377473522 in words is "eighty-six billion, three hundred seventy-seven million, four hundred seventy-three thousand, five hundred twenty-two".