86971568 has 10 divisors (see below), whose sum is σ = 168507444. Its totient is φ = 43485776.

The previous prime is 86971559. The next prime is 86971583. The reversal of 86971568 is 86517968.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2717846 + ... + 2717877.

Almost surely, 2^86971568 is an apocalyptic number.

It is an amenable number.

86971568 is a deficient number, since it is larger than the sum of its proper divisors (81535876).

86971568 is a wasteful number, since it uses less digits than its factorization.

86971568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435731 (or 5435725 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 86971568 is about 9325.8548133670. The cubic root of 86971568 is about 443.0564873523.

The spelling of 86971568 in words is "eighty-six million, nine hundred seventy-one thousand, five hundred sixty-eight".