86628894 has 16 divisors (see below), whose sum is σ = 189008640. Its totient is φ = 26251160.

The previous prime is 86628869. The next prime is 86628907. The reversal of 86628894 is 49882668.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656214 + ... + 656345.

It is an arithmetic number, because the mean of its divisors is an integer number (11813040).

Almost surely, 2^86628894 is an apocalyptic number.

86628894 is an abundant number, since it is smaller than the sum of its proper divisors (102379746).

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

86628894 is a wasteful number, since it uses less digits than its factorization.

86628894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312575.

The product of its digits is 1327104, while the sum is 51.

The square root of 86628894 is about 9307.4644237837. The cubic root of 86628894 is about 442.4738303653.

The spelling of 86628894 in words is "eighty-six million, six hundred twenty-eight thousand, eight hundred ninety-four".