86996570 has 16 divisors (see below), whose sum is σ = 156704328. Its totient is φ = 34774080.

The previous prime is 86996563. The next prime is 86996593. The reversal of 86996570 is 7569968.

It can be written as a sum of positive squares in 4 ways, for example, as 83375161 + 3621409 = 9131^2 + 1903^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20252 + ... + 24168.

Almost surely, 2^86996570 is an apocalyptic number.

86996570 is a deficient number, since it is larger than the sum of its proper divisors (69707758).

86996570 is a wasteful number, since it uses less digits than its factorization.

86996570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 86996570 is about 9327.1951839768. The cubic root of 86996570 is about 443.0989389153.

The spelling of 86996570 in words is "eighty-six million, nine hundred ninety-six thousand, five hundred seventy".