88355993 has 4 divisors (see below), whose sum is σ = 96388368. Its totient is φ = 80323620.

The previous prime is 88355959. The next prime is 88356007. The reversal of 88355993 is 39955388.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88355993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88355093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016171 + ... + 4016192.

It is an arithmetic number, because the mean of its divisors is an integer number (24097092).

Almost surely, 2^88355993 is an apocalyptic number.

It is an amenable number.

88355993 is a deficient number, since it is larger than the sum of its proper divisors (8032375).

88355993 is a wasteful number, since it uses less digits than its factorization.

88355993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032374.

The product of its digits is 1166400, while the sum is 50.

The square root of 88355993 is about 9399.7868592857. The cubic root of 88355993 is about 445.3950000336.

The spelling of 88355993 in words is "eighty-eight million, three hundred fifty-five thousand, nine hundred ninety-three".