86784692 has 6 divisors (see below), whose sum is σ = 151873218. Its totient is φ = 43392344.

The previous prime is 86784689. The next prime is 86784743. The reversal of 86784692 is 29648768.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 4990756 = 9044^2 + 2234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86784692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10848083 + ... + 10848090.

It is an arithmetic number, because the mean of its divisors is an integer number (25312203).

Almost surely, 2^86784692 is an apocalyptic number.

It is an amenable number.

86784692 is a deficient number, since it is larger than the sum of its proper divisors (65088526).

86784692 is a wasteful number, since it uses less digits than its factorization.

86784692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21696177 (or 21696175 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 86784692 is about 9315.8301830808. The cubic root of 86784692 is about 442.7389276460.

The spelling of 86784692 in words is "eighty-six million, seven hundred eighty-four thousand, six hundred ninety-two".