86898977 has 16 divisors (see below), whose sum is σ = 98496000. Its totient is φ = 75968640.

The previous prime is 86898971. The next prime is 86898979. The reversal of 86898977 is 77989868.

It is not a de Polignac number, because 86898977 - 2²² = 82704673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86898971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35024 + ... + 37422.

It is an arithmetic number, because the mean of its divisors is an integer number (6156000).

Almost surely, 2^86898977 is an apocalyptic number.

It is an amenable number.

86898977 is a deficient number, since it is larger than the sum of its proper divisors (11597023).

86898977 is a wasteful number, since it uses less digits than its factorization.

86898977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536.

The product of its digits is 12192768, while the sum is 62.

The square root of 86898977 is about 9321.9620788759. The cubic root of 86898977 is about 442.9331870357.

The spelling of 86898977 in words is "eighty-six million, eight hundred ninety-eight thousand, nine hundred seventy-seven".