86935679 has 4 divisors (see below), whose sum is σ = 87570384. Its totient is φ = 86300976.

The previous prime is 86935669. The next prime is 86935711. The reversal of 86935679 is 97653968.

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 86935679 - 2⁴ = 86935663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86935679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86935669) 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, 317147 + ... + 317420.

It is an arithmetic number, because the mean of its divisors is an integer number (21892596).

Almost surely, 2^86935679 is an apocalyptic number.

86935679 is a deficient number, since it is larger than the sum of its proper divisors (634705).

86935679 is a wasteful number, since it uses less digits than its factorization.

86935679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634704.

The product of its digits is 2449440, while the sum is 53.

The square root of 86935679 is about 9323.9304480460. The cubic root of 86935679 is about 442.9955362380.

The spelling of 86935679 in words is "eighty-six million, nine hundred thirty-five thousand, six hundred seventy-nine".