88891739 has 2 divisors, whose sum is σ = 88891740. Its totient is φ = 88891738.

The previous prime is 88891681. The next prime is 88891769. The reversal of 88891739 is 93719888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88891739 - 2⁸ = 88891483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88891769) 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, 44445869 + 44445870.

It is an arithmetic number, because the mean of its divisors is an integer number (44445870).

Almost surely, 2^88891739 is an apocalyptic number.

88891739 is a deficient number, since it is larger than the sum of its proper divisors (1).

88891739 is an equidigital number, since it uses as much as digits as its factorization.

88891739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 53.

The square root of 88891739 is about 9428.2415645761. The cubic root of 88891739 is about 446.2934032329.

The spelling of 88891739 in words is "eighty-eight million, eight hundred ninety-one thousand, seven hundred thirty-nine".