88240504865 has 8 divisors (see below), whose sum is σ = 106937008488. Its totient is φ = 69893468800.

The previous prime is 88240504853. The next prime is 88240504871. The reversal of 88240504865 is 56840504288.

It can be written as a sum of positive squares in 4 ways, for example, as 13833758689 + 74406746176 = 117617^2 + 272776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88240504865 - 2²⁴ = 88223727649 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 87366332 + ... + 87367341.

It is an arithmetic number, because the mean of its divisors is an integer number (13367126061).

Almost surely, 2^88240504865 is an apocalyptic number.

It is an amenable number.

88240504865 is a deficient number, since it is larger than the sum of its proper divisors (18696503623).

88240504865 is a wasteful number, since it uses less digits than its factorization.

88240504865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174733779.

The product of its (nonzero) digits is 2457600, while the sum is 50.

The spelling of 88240504865 in words is "eighty-eight billion, two hundred forty million, five hundred four thousand, eight hundred sixty-five".