88898639 has 2 divisors, whose sum is σ = 88898640. Its totient is φ = 88898638.

The previous prime is 88898633. The next prime is 88898653. The reversal of 88898639 is 93689888.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88898639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88898633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44449319 + 44449320.

It is an arithmetic number, because the mean of its divisors is an integer number (44449320).

Almost surely, 2^88898639 is an apocalyptic number.

88898639 is a deficient number, since it is larger than the sum of its proper divisors (1).

88898639 is an equidigital number, since it uses as much as digits as its factorization.

88898639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 59.

The square root of 88898639 is about 9428.6074793683. The cubic root of 88898639 is about 446.3049504056.

The spelling of 88898639 in words is "eighty-eight million, eight hundred ninety-eight thousand, six hundred thirty-nine".