86976771 has 32 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 47712000.

The previous prime is 86976749. The next prime is 86976781. The reversal of 86976771 is 17767968.

It is a happy number.

It is not a de Polignac number, because 86976771 - 2⁶ = 86976707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86976781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152575 + ... + 153143.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^86976771 is an apocalyptic number.

86976771 is a deficient number, since it is larger than the sum of its proper divisors (50917629).

86976771 is a wasteful number, since it uses less digits than its factorization.

86976771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its digits is 889056, while the sum is 51.

The square root of 86976771 is about 9326.1337648567. The cubic root of 86976771 is about 443.0653223352.

The spelling of 86976771 in words is "eighty-six million, nine hundred seventy-six thousand, seven hundred seventy-one".