86980640395 has 16 divisors (see below), whose sum is σ = 113911787232. Its totient is φ = 63232968960.

The previous prime is 86980640389. The next prime is 86980640407. The reversal of 86980640395 is 59304608968.

It is not a de Polignac number, because 86980640395 - 2³ = 86980640387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183732 + ... + 455761.

It is an arithmetic number, because the mean of its divisors is an integer number (7119486702).

Almost surely, 2^86980640395 is an apocalyptic number.

86980640395 is a deficient number, since it is larger than the sum of its proper divisors (26931146837).

86980640395 is a wasteful number, since it uses less digits than its factorization.

86980640395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641982.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 86980640395 in words is "eighty-six billion, nine hundred eighty million, six hundred forty thousand, three hundred ninety-five".