86625770 has 32 divisors (see below), whose sum is σ = 194403456. Its totient is φ = 27000000.

The previous prime is 86625767. The next prime is 86625817. The reversal of 86625770 is 7752668.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55481 + ... + 57020.

It is an arithmetic number, because the mean of its divisors is an integer number (6075108).

Almost surely, 2^86625770 is an apocalyptic number.

86625770 is an abundant number, since it is smaller than the sum of its proper divisors (107777686).

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

86625770 is a wasteful number, since it uses less digits than its factorization.

86625770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112526.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 86625770 is about 9307.2965999800. The cubic root of 86625770 is about 442.4685114899.

The spelling of 86625770 in words is "eighty-six million, six hundred twenty-five thousand, seven hundred seventy".