86799764 has 12 divisors (see below), whose sum is σ = 152008500. Its totient is φ = 43368768.

The previous prime is 86799763. The next prime is 86799787. The reversal of 86799764 is 46799768.

It can be written as a sum of positive squares in 2 ways, for example, as 49589764 + 37210000 = 7042^2 + 6100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86799761) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 809 + ... + 13200.

It is an arithmetic number, because the mean of its divisors is an integer number (12667375).

Almost surely, 2^86799764 is an apocalyptic number.

It is an amenable number.

86799764 is a deficient number, since it is larger than the sum of its proper divisors (65208736).

86799764 is a wasteful number, since it uses less digits than its factorization.

86799764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15562 (or 15560 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 86799764 is about 9316.6390935788. The cubic root of 86799764 is about 442.7645564933.

The spelling of 86799764 in words is "eighty-six million, seven hundred ninety-nine thousand, seven hundred sixty-four".