89639719007 has 2 divisors, whose sum is σ = 89639719008. Its totient is φ = 89639719006.

The previous prime is 89639718983. The next prime is 89639719019. The reversal of 89639719007 is 70091793698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89639719007 - 2¹⁰ = 89639717983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89639719027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44819859503 + 44819859504.

It is an arithmetic number, because the mean of its divisors is an integer number (44819859504).

Almost surely, 2^89639719007 is an apocalyptic number.

89639719007 is a deficient number, since it is larger than the sum of its proper divisors (1).

89639719007 is an equidigital number, since it uses as much as digits as its factorization.

89639719007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 89639719007 in words is "eighty-nine billion, six hundred thirty-nine million, seven hundred nineteen thousand, seven".