88799639 has 2 divisors, whose sum is σ = 88799640. Its totient is φ = 88799638.

The previous prime is 88799617. The next prime is 88799651. The reversal of 88799639 is 93699788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88799639 - 2¹² = 88795543 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 (88798639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44399819 + 44399820.

It is an arithmetic number, because the mean of its divisors is an integer number (44399820).

Almost surely, 2^88799639 is an apocalyptic number.

88799639 is a deficient number, since it is larger than the sum of its proper divisors (1).

88799639 is an equidigital number, since it uses as much as digits as its factorization.

88799639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The square root of 88799639 is about 9423.3560369966. The cubic root of 88799639 is about 446.1392163280.

The spelling of 88799639 in words is "eighty-eight million, seven hundred ninety-nine thousand, six hundred thirty-nine".