88605271993 has 12 divisors (see below), whose sum is σ = 103191757812. Its totient is φ = 75858720000.

The previous prime is 88605271961. The next prime is 88605272017. The reversal of 88605271993 is 39917250688.

It can be written as a sum of positive squares in 2 ways, for example, as 48592470969 + 40012801024 = 220437^2 + 200032^2 .

It is not a de Polignac number, because 88605271993 - 2⁵ = 88605271961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88605271193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013008 + ... + 1096993.

It is an arithmetic number, because the mean of its divisors is an integer number (8599313151).

Almost surely, 2^88605271993 is an apocalyptic number.

It is an amenable number.

88605271993 is a deficient number, since it is larger than the sum of its proper divisors (14586485819).

88605271993 is a wasteful number, since it uses less digits than its factorization.

88605271993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110872 (or 2110865 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 88605271993 in words is "eighty-eight billion, six hundred five million, two hundred seventy-one thousand, nine hundred ninety-three".