88315973 has 2 divisors, whose sum is σ = 88315974. Its totient is φ = 88315972.

The previous prime is 88315957. The next prime is 88315987. The reversal of 88315973 is 37951388.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83484769 + 4831204 = 9137^2 + 2198^2 .

It is a cyclic number.

It is not a de Polignac number, because 88315973 - 2⁴ = 88315957 is a prime.

It is a super-2 number, since 2×88315973² = 15599422173873458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88315573) 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 as a sum of consecutive naturals, namely, 44157986 + 44157987.

It is an arithmetic number, because the mean of its divisors is an integer number (44157987).

Almost surely, 2^88315973 is an apocalyptic number.

It is an amenable number.

88315973 is a deficient number, since it is larger than the sum of its proper divisors (1).

88315973 is an equidigital number, since it uses as much as digits as its factorization.

88315973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 88315973 is about 9397.6578465062. The cubic root of 88315973 is about 445.3277440798.

The spelling of 88315973 in words is "eighty-eight million, three hundred fifteen thousand, nine hundred seventy-three".