86822671618 has 32 divisors (see below), whose sum is σ = 138194211456. Its totient is φ = 40825369728.

The previous prime is 86822671613. The next prime is 86822671619. The reversal of 86822671618 is 81617622868.

It is not an unprimeable number, because it can be changed into a prime (86822671613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023705 + ... + 1105267.

It is an arithmetic number, because the mean of its divisors is an integer number (4318569108).

Almost surely, 2^86822671618 is an apocalyptic number.

86822671618 is a deficient number, since it is larger than the sum of its proper divisors (51371539838).

86822671618 is a wasteful number, since it uses less digits than its factorization.

86822671618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81978.

The product of its digits is 3096576, while the sum is 55.

The spelling of 86822671618 in words is "eighty-six billion, eight hundred twenty-two million, six hundred seventy-one thousand, six hundred eighteen".