86622920 has 64 divisors (see below), whose sum is σ = 202409280. Its totient is φ = 33336576.

The previous prime is 86622917. The next prime is 86622923. The reversal of 86622920 is 2922668.

It is an interprime number because it is at equal distance from previous prime (86622917) and next prime (86622923).

It is not an unprimeable number, because it can be changed into a prime (86622923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158087 + ... + 158633.

It is an arithmetic number, because the mean of its divisors is an integer number (3162645).

Almost surely, 2^86622920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86622920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101204640).

86622920 is an abundant number, since it is smaller than the sum of its proper divisors (115786360).

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

86622920 is a wasteful number, since it uses less digits than its factorization.

86622920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 86622920 is about 9307.1434930380. The cubic root of 86622920 is about 442.4636590113.

The spelling of 86622920 in words is "eighty-six million, six hundred twenty-two thousand, nine hundred twenty".