88690631873 has 2 divisors, whose sum is σ = 88690631874. Its totient is φ = 88690631872.

The previous prime is 88690631857. The next prime is 88690631917. The reversal of 88690631873 is 37813609688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79406731264 + 9283900609 = 281792^2 + 96353^2 .

It is a cyclic number.

It is not a de Polignac number, because 88690631873 - 2⁴ = 88690631857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (84690631873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44345315936 + 44345315937.

It is an arithmetic number, because the mean of its divisors is an integer number (44345315937).

Almost surely, 2^88690631873 is an apocalyptic number.

It is an amenable number.

88690631873 is a deficient number, since it is larger than the sum of its proper divisors (1).

88690631873 is an equidigital number, since it uses as much as digits as its factorization.

88690631873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 88690631873 in words is "eighty-eight billion, six hundred ninety million, six hundred thirty-one thousand, eight hundred seventy-three".