88431925457 has 2 divisors, whose sum is σ = 88431925458. Its totient is φ = 88431925456.

The previous prime is 88431925423. The next prime is 88431925487. The reversal of 88431925457 is 75452913488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79059942976 + 9371982481 = 281176^2 + 96809^2 .

It is a cyclic number.

It is not a de Polignac number, because 88431925457 - 2¹⁴ = 88431909073 is a prime.

It is not a weakly prime, because it can be changed into another prime (88431925487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44215962728 + 44215962729.

It is an arithmetic number, because the mean of its divisors is an integer number (44215962729).

Almost surely, 2^88431925457 is an apocalyptic number.

It is an amenable number.

88431925457 is a deficient number, since it is larger than the sum of its proper divisors (1).

88431925457 is an equidigital number, since it uses as much as digits as its factorization.

88431925457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 56.

The spelling of 88431925457 in words is "eighty-eight billion, four hundred thirty-one million, nine hundred twenty-five thousand, four hundred fifty-seven".