86879097 has 12 divisors (see below), whose sum is σ = 125897044. Its totient is φ = 57732480.

The previous prime is 86879087. The next prime is 86879113. The reversal of 86879097 is 79097868.

It can be written as a sum of positive squares in 2 ways, for example, as 27342441 + 59536656 = 5229^2 + 7716^2 .

It is not a de Polignac number, because 86879097 - 2⁷ = 86878969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86879017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12604 + ... + 18237.

Almost surely, 2^86879097 is an apocalyptic number.

It is an amenable number.

86879097 is a deficient number, since it is larger than the sum of its proper divisors (39017947).

86879097 is a wasteful number, since it uses less digits than its factorization.

86879097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31160 (or 31157 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 86879097 is about 9320.8957187601. The cubic root of 86879097 is about 442.8994076456.

The spelling of 86879097 in words is "eighty-six million, eight hundred seventy-nine thousand, ninety-seven".