88631839 has 2 divisors, whose sum is σ = 88631840. Its totient is φ = 88631838.

The previous prime is 88631833. The next prime is 88631869. The reversal of 88631839 is 93813688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88631839 - 2⁹ = 88631327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88631833) 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, 44315919 + 44315920.

It is an arithmetic number, because the mean of its divisors is an integer number (44315920).

Almost surely, 2^88631839 is an apocalyptic number.

88631839 is a deficient number, since it is larger than the sum of its proper divisors (1).

88631839 is an equidigital number, since it uses as much as digits as its factorization.

88631839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 88631839 is about 9414.4484171936. The cubic root of 88631839 is about 445.8580238769.

The spelling of 88631839 in words is "eighty-eight million, six hundred thirty-one thousand, eight hundred thirty-nine".