86981562 has 12 divisors (see below), whose sum is σ = 188460090. Its totient is φ = 28993848.

The previous prime is 86981551. The next prime is 86981579. The reversal of 86981562 is 26518968.

86981562 is a `hidden beast` number, since 8 + 6 + 9 + 81 + 562 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86099841 + 881721 = 9279^2 + 939^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2416137 + ... + 2416172.

Almost surely, 2^86981562 is an apocalyptic number.

86981562 is an abundant number, since it is smaller than the sum of its proper divisors (101478528).

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

86981562 is a wasteful number, since it uses less digits than its factorization.

86981562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832317 (or 4832314 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 86981562 is about 9326.3906201703. The cubic root of 86981562 is about 443.0734574076.

The spelling of 86981562 in words is "eighty-six million, nine hundred eighty-one thousand, five hundred sixty-two".