86790784535 has 32 divisors (see below), whose sum is σ = 128213729280. Its totient is φ = 54922670208.

The previous prime is 86790784477. The next prime is 86790784547. The reversal of 86790784535 is 53548709768.

It is a de Polignac number, because none of the positive numbers 2^k-86790784535 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2119586 + ... + 2160144.

It is an arithmetic number, because the mean of its divisors is an integer number (4006679040).

Almost surely, 2^86790784535 is an apocalyptic number.

86790784535 is a deficient number, since it is larger than the sum of its proper divisors (41422944745).

86790784535 is a wasteful number, since it uses less digits than its factorization.

86790784535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45287.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 86790784535 in words is "eighty-six billion, seven hundred ninety million, seven hundred eighty-four thousand, five hundred thirty-five".