86782371315 has 64 divisors (see below), whose sum is σ = 144175030272. Its totient is φ = 44539891200.

The previous prime is 86782371301. The next prime is 86782371329. The reversal of 86782371315 is 51317328768.

It is an interprime number because it is at equal distance from previous prime (86782371301) and next prime (86782371329).

It is not a de Polignac number, because 86782371315 - 2⁹ = 86782370803 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19184644 + ... + 19189166.

It is an arithmetic number, because the mean of its divisors is an integer number (2252734848).

Almost surely, 2^86782371315 is an apocalyptic number.

86782371315 is a deficient number, since it is larger than the sum of its proper divisors (57392658957).

86782371315 is a wasteful number, since it uses less digits than its factorization.

86782371315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940.

The product of its digits is 1693440, while the sum is 51.

The spelling of 86782371315 in words is "eighty-six billion, seven hundred eighty-two million, three hundred seventy-one thousand, three hundred fifteen".