88415889563 has 2 divisors, whose sum is σ = 88415889564. Its totient is φ = 88415889562.

The previous prime is 88415889557. The next prime is 88415889629. The reversal of 88415889563 is 36598851488.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88415889563 - 2⁸ = 88415889307 is a prime.

It is a super-4 number, since 4×88415889563⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88415889563.

It is not a weakly prime, because it can be changed into another prime (88415882563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44207944781 + 44207944782.

It is an arithmetic number, because the mean of its divisors is an integer number (44207944782).

Almost surely, 2^88415889563 is an apocalyptic number.

88415889563 is a deficient number, since it is larger than the sum of its proper divisors (1).

88415889563 is an equidigital number, since it uses as much as digits as its factorization.

88415889563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66355200, while the sum is 65.

The spelling of 88415889563 in words is "eighty-eight billion, four hundred fifteen million, eight hundred eighty-nine thousand, five hundred sixty-three".