86779307490 has 32 divisors (see below), whose sum is σ = 213113837376. Its totient is φ = 22602982080.

The previous prime is 86779307479. The next prime is 86779307497. The reversal of 86779307490 is 9470397768.

It is not an unprimeable number, because it can be changed into a prime (86779307497) by changing a digit.

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, 33634101 + ... + 33636680.

It is an arithmetic number, because the mean of its divisors is an integer number (6659807418).

Almost surely, 2^86779307490 is an apocalyptic number.

86779307490 is an abundant number, since it is smaller than the sum of its proper divisors (126334529886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86779307490 is a wasteful number, since it uses less digits than its factorization.

86779307490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67270834.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 86779307490 in words is "eighty-six billion, seven hundred seventy-nine million, three hundred seven thousand, four hundred ninety".