86649523194 has 16 divisors (see below), whose sum is σ = 186629742432. Its totient is φ = 26661391728.

The previous prime is 86649523193. The next prime is 86649523201. The reversal of 86649523194 is 49132594668.

It is not an unprimeable number, because it can be changed into a prime (86649523193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555445584 + ... + 555445739.

It is an arithmetic number, because the mean of its divisors is an integer number (11664358902).

Almost surely, 2^86649523194 is an apocalyptic number.

86649523194 is an abundant number, since it is smaller than the sum of its proper divisors (99980219238).

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

86649523194 is a wasteful number, since it uses less digits than its factorization.

86649523194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110891341.

The product of its digits is 11197440, while the sum is 57.

The spelling of 86649523194 in words is "eighty-six billion, six hundred forty-nine million, five hundred twenty-three thousand, one hundred ninety-four".