86078692 has 54 divisors (see below), whose sum is σ = 181462806. Its totient is φ = 35622720.

The previous prime is 86078677. The next prime is 86078743. The reversal of 86078692 is 29687068.

It can be written as a sum of positive squares in only one way, i.e., 83064996 + 3013696 = 9114^2 + 1736^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 188128 + ... + 188584.

Almost surely, 2^86078692 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 86078692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90731403).

86078692 is an abundant number, since it is smaller than the sum of its proper divisors (95384114).

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

86078692 is a wasteful number, since it uses less digits than its factorization.

86078692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 86078692 is about 9277.8603136715. The cubic root of 86078692 is about 441.5350857748.

The spelling of 86078692 in words is "eighty-six million, seventy-eight thousand, six hundred ninety-two".