86621700 has 72 divisors (see below), whose sum is σ = 273420000. Its totient is φ = 20998400.

The previous prime is 86621677. The next prime is 86621789. The reversal of 86621700 is 712668.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9825 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (3797500).

Almost surely, 2^86621700 is an apocalyptic number.

It is an amenable number.

86621700 is an abundant number, since it is smaller than the sum of its proper divisors (186798300).

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

86621700 is a wasteful number, since it uses less digits than its factorization.

86621700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26277 (or 26270 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 86621700 is about 9307.0779517526. The cubic root of 86621700 is about 442.4615817774.

The spelling of 86621700 in words is "eighty-six million, six hundred twenty-one thousand, seven hundred".