86703879 has 4 divisors (see below), whose sum is σ = 115605176. Its totient is φ = 57802584.

The previous prime is 86703871. The next prime is 86703907. The reversal of 86703879 is 97830768.

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

It is not a de Polignac number, because 86703879 - 2³ = 86703871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86703871) 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, 14450644 + ... + 14450649.

It is an arithmetic number, because the mean of its divisors is an integer number (28901294).

Almost surely, 2^86703879 is an apocalyptic number.

86703879 is a deficient number, since it is larger than the sum of its proper divisors (28901297).

86703879 is a wasteful number, since it uses less digits than its factorization.

86703879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28901296.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 86703879 is about 9311.4917709248. The cubic root of 86703879 is about 442.6014603439.

The spelling of 86703879 in words is "eighty-six million, seven hundred three thousand, eight hundred seventy-nine".