86879387 has 4 divisors (see below), whose sum is σ = 99290736. Its totient is φ = 74468040.

The previous prime is 86879357. The next prime is 86879411. The reversal of 86879387 is 78397868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86879387 - 2⁸ = 86879131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86879347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6205664 + ... + 6205677.

It is an arithmetic number, because the mean of its divisors is an integer number (24822684).

Almost surely, 2^86879387 is an apocalyptic number.

86879387 is a deficient number, since it is larger than the sum of its proper divisors (12411349).

86879387 is a wasteful number, since it uses less digits than its factorization.

86879387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12411348.

The product of its digits is 4064256, while the sum is 56.

The square root of 86879387 is about 9320.9112751919. The cubic root of 86879387 is about 442.8999004403.

The spelling of 86879387 in words is "eighty-six million, eight hundred seventy-nine thousand, three hundred eighty-seven".