88428839 has 2 divisors, whose sum is σ = 88428840. Its totient is φ = 88428838.

The previous prime is 88428829. The next prime is 88428871. The reversal of 88428839 is 93882488.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88428839 - 2²⁰ = 87380263 is a prime.

It is a Sophie Germain 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 (88428829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44214419 + 44214420.

It is an arithmetic number, because the mean of its divisors is an integer number (44214420).

Almost surely, 2^88428839 is an apocalyptic number.

88428839 is a deficient number, since it is larger than the sum of its proper divisors (1).

88428839 is an equidigital number, since it uses as much as digits as its factorization.

88428839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 50.

The square root of 88428839 is about 9403.6609360398. The cubic root of 88428839 is about 445.5173698942.

The spelling of 88428839 in words is "eighty-eight million, four hundred twenty-eight thousand, eight hundred thirty-nine".