88418731 has 2 divisors, whose sum is σ = 88418732. Its totient is φ = 88418730.

The previous prime is 88418719. The next prime is 88418753. The reversal of 88418731 is 13781488.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88418731 - 2⁵ = 88418699 is a prime.

It is a super-2 number, since 2×88418731² = 15635743983300722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88118731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44209365 + 44209366.

It is an arithmetic number, because the mean of its divisors is an integer number (44209366).

Almost surely, 2^88418731 is an apocalyptic number.

88418731 is a deficient number, since it is larger than the sum of its proper divisors (1).

88418731 is an equidigital number, since it uses as much as digits as its factorization.

88418731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 40.

The square root of 88418731 is about 9403.1234704219. The cubic root of 88418731 is about 445.5003940554.

The spelling of 88418731 in words is "eighty-eight million, four hundred eighteen thousand, seven hundred thirty-one".