86918922 has 48 divisors (see below), whose sum is σ = 191924928. Its totient is φ = 28425600.

The previous prime is 86918921. The next prime is 86918929. The reversal of 86918922 is 22981968.

It is not an unprimeable number, because it can be changed into a prime (86918921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306993 + ... + 307275.

It is an arithmetic number, because the mean of its divisors is an integer number (3998436).

Almost surely, 2^86918922 is an apocalyptic number.

86918922 is an abundant number, since it is smaller than the sum of its proper divisors (105006006).

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

86918922 is a wasteful number, since it uses less digits than its factorization.

86918922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 86918922 is about 9323.0318030134. The cubic root of 86918922 is about 442.9670716947.

It can be divided in two parts, 869 and 18922, that added together give a palindrome (19791).

The spelling of 86918922 in words is "eighty-six million, nine hundred eighteen thousand, nine hundred twenty-two".