86240306888 has 16 divisors (see below), whose sum is σ = 161703879180. Its totient is φ = 43119272448.

The previous prime is 86240306869. The next prime is 86240306921. The reversal of 86240306888 is 88860304268.

It is a Cunningham number, because it is equal to 293667²-1.

It can be written as a sum of positive squares in 2 ways, for example, as 64425607684 + 21814699204 = 253822^2 + 147698^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513920 + ... + 660752.

Almost surely, 2^86240306888 is an apocalyptic number.

It is an amenable number.

86240306888 is a deficient number, since it is larger than the sum of its proper divisors (75463572292).

86240306888 is a wasteful number, since it uses less digits than its factorization.

86240306888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220256 (or 220252 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 86240306888 in words is "eighty-six billion, two hundred forty million, three hundred six thousand, eight hundred eighty-eight".