86919804 has 30 divisors (see below), whose sum is σ = 227226384. Its totient is φ = 28973160.

The previous prime is 86919799. The next prime is 86919839. The reversal of 86919804 is 40891968.

It is a self number, because there is not a number n which added to its sum of digits gives 86919804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 133812 + ... + 134459.

Almost surely, 2^86919804 is an apocalyptic number.

It is an amenable number.

86919804 is an abundant number, since it is smaller than the sum of its proper divisors (140306580).

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

86919804 is a wasteful number, since it uses less digits than its factorization.

86919804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268287 (or 268276 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 86919804 is about 9323.0791051026. The cubic root of 86919804 is about 442.9685700092.

The spelling of 86919804 in words is "eighty-six million, nine hundred nineteen thousand, eight hundred four".