86522512 has 20 divisors (see below), whose sum is σ = 168767100. Its totient is φ = 42969728.

The previous prime is 86522483. The next prime is 86522549. The reversal of 86522512 is 21522568.

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 82011136 = 2124^2 + 9056^2 .

It is a super-2 number, since 2×86522512² = 14972290165580288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15763 + ... + 20530.

It is an arithmetic number, because the mean of its divisors is an integer number (8438355).

Almost surely, 2^86522512 is an apocalyptic number.

It is an amenable number.

86522512 is a deficient number, since it is larger than the sum of its proper divisors (82244588).

86522512 is a wasteful number, since it uses less digits than its factorization.

86522512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36450 (or 36444 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 86522512 is about 9301.7477927538. The cubic root of 86522512 is about 442.2926339609.

The spelling of 86522512 in words is "eighty-six million, five hundred twenty-two thousand, five hundred twelve".