88180372065 has 64 divisors (see below), whose sum is σ = 148972608000. Its totient is φ = 44471691264.

The previous prime is 88180372057. The next prime is 88180372069. The reversal of 88180372065 is 56027308188.

It is not a de Polignac number, because 88180372065 - 2³ = 88180372057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88180372069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14221836 + ... + 14228034.

It is an arithmetic number, because the mean of its divisors is an integer number (2327697000).

Almost surely, 2^88180372065 is an apocalyptic number.

It is an amenable number.

88180372065 is a deficient number, since it is larger than the sum of its proper divisors (60792235935).

88180372065 is a wasteful number, since it uses less digits than its factorization.

88180372065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 88180372065 in words is "eighty-eight billion, one hundred eighty million, three hundred seventy-two thousand, sixty-five".