86786804 has 24 divisors (see below), whose sum is σ = 163890888. Its totient is φ = 39974400.

The previous prime is 86786803. The next prime is 86786807. The reversal of 86786804 is 40868768.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3247204 + 83539600 = 1802^2 + 9140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86786803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29864 + ... + 32640.

It is an arithmetic number, because the mean of its divisors is an integer number (6828787).

Almost surely, 2^86786804 is an apocalyptic number.

It is an amenable number.

86786804 is a deficient number, since it is larger than the sum of its proper divisors (77104084).

86786804 is a wasteful number, since it uses less digits than its factorization.

86786804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395 (or 3393 counting only the distinct ones).

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

The square root of 86786804 is about 9315.9435378280. The cubic root of 86786804 is about 442.7425191282.

The spelling of 86786804 in words is "eighty-six million, seven hundred eighty-six thousand, eight hundred four".