86109804 has 120 divisors (see below), whose sum is σ = 252595728. Its totient is φ = 25349760.

The previous prime is 86109791. The next prime is 86109823. The reversal of 86109804 is 40890168.

It is a happy number.

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 39 ways as a sum of consecutive naturals, for example, 131542 + ... + 132194.

Almost surely, 2^86109804 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 86109804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126297864).

86109804 is an abundant number, since it is smaller than the sum of its proper divisors (166485924).

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

86109804 is a wasteful number, since it uses less digits than its factorization.

86109804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 86109804 is about 9279.5368418903. The cubic root of 86109804 is about 441.5882750313.

The spelling of 86109804 in words is "eighty-six million, one hundred nine thousand, eight hundred four".