88920439 has 2 divisors, whose sum is σ = 88920440. Its totient is φ = 88920438.

The previous prime is 88920407. The next prime is 88920449. The reversal of 88920439 is 93402988.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88920439 - 2⁵ = 88920407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88920395 and 88920404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88920449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44460219 + 44460220.

It is an arithmetic number, because the mean of its divisors is an integer number (44460220).

Almost surely, 2^88920439 is an apocalyptic number.

88920439 is a deficient number, since it is larger than the sum of its proper divisors (1).

88920439 is an equidigital number, since it uses as much as digits as its factorization.

88920439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 88920439 is about 9429.7634646899. The cubic root of 88920439 is about 446.3414288521.

The spelling of 88920439 in words is "eighty-eight million, nine hundred twenty thousand, four hundred thirty-nine".