86319504 has 60 divisors (see below), whose sum is σ = 242438352. Its totient is φ = 28670400.

The previous prime is 86319479. The next prime is 86319539. The reversal of 86319504 is 40591368.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46759 + ... + 48569.

Almost surely, 2^86319504 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 86319504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121219176).

86319504 is an abundant number, since it is smaller than the sum of its proper divisors (156118848).

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

86319504 is a wasteful number, since it uses less digits than its factorization.

86319504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 86319504 is about 9290.8290265186. The cubic root of 86319504 is about 441.9464456043.

The spelling of 86319504 in words is "eighty-six million, three hundred nineteen thousand, five hundred four".