86788604 has 72 divisors (see below), whose sum is σ = 190663200. Its totient is φ = 34433280.

The previous prime is 86788601. The next prime is 86788627. The reversal of 86788604 is 40688768.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86788601) 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, 1422734 + ... + 1422794.

It is an arithmetic number, because the mean of its divisors is an integer number (2648100).

Almost surely, 2^86788604 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 86788604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95331600).

86788604 is an abundant number, since it is smaller than the sum of its proper divisors (103874596).

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

86788604 is a wasteful number, since it uses less digits than its factorization.

86788604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 86788604 is about 9316.0401458989. The cubic root of 86788604 is about 442.7455800045.

The spelling of 86788604 in words is "eighty-six million, seven hundred eighty-eight thousand, six hundred four".