88775965643 has 4 divisors (see below), whose sum is σ = 88849153968. Its totient is φ = 88702777320.

The previous prime is 88775965627. The next prime is 88775965667. The reversal of 88775965643 is 34656957788.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88775965643 - 2⁴ = 88775965627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88775965673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36592343 + ... + 36594768.

It is an arithmetic number, because the mean of its divisors is an integer number (22212288492).

Almost surely, 2^88775965643 is an apocalyptic number.

88775965643 is a deficient number, since it is larger than the sum of its proper divisors (73188325).

88775965643 is a wasteful number, since it uses less digits than its factorization.

88775965643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73188324.

The product of its digits is 304819200, while the sum is 68.

The spelling of 88775965643 in words is "eighty-eight billion, seven hundred seventy-five million, nine hundred sixty-five thousand, six hundred forty-three".