86879511 has 12 divisors (see below), whose sum is σ = 126325680. Its totient is φ = 57535200.

The previous prime is 86879501. The next prime is 86879519. The reversal of 86879511 is 11597868.

86879511 is a `hidden beast` number, since 8 + 68 + 79 + 511 = 666.

It is not a de Polignac number, because 86879511 - 2¹⁰ = 86878487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86879519) 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, 30606 + ... + 33323.

It is an arithmetic number, because the mean of its divisors is an integer number (10527140).

Almost surely, 2^86879511 is an apocalyptic number.

86879511 is a deficient number, since it is larger than the sum of its proper divisors (39446169).

86879511 is a wasteful number, since it uses less digits than its factorization.

86879511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64086 (or 64083 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 86879511 is about 9320.9179268997. The cubic root of 86879511 is about 442.9001111522.

The spelling of 86879511 in words is "eighty-six million, eight hundred seventy-nine thousand, five hundred eleven".