86799668 has 12 divisors (see below), whose sum is σ = 157137540. Its totient is φ = 41903232.

The previous prime is 86799667. The next prime is 86799689. The reversal of 86799668 is 86699768.

It can be written as a sum of positive squares in 2 ways, for example, as 25928464 + 60871204 = 5092^2 + 7802^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86799667) 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, 374021 + ... + 374252.

It is an arithmetic number, because the mean of its divisors is an integer number (13094795).

Almost surely, 2^86799668 is an apocalyptic number.

It is an amenable number.

86799668 is a deficient number, since it is larger than the sum of its proper divisors (70337872).

86799668 is a wasteful number, since it uses less digits than its factorization.

86799668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748306 (or 748304 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 86799668 is about 9316.6339415048. The cubic root of 86799668 is about 442.7643932616.

The spelling of 86799668 in words is "eighty-six million, seven hundred ninety-nine thousand, six hundred sixty-eight".