99617039 has 2 divisors, whose sum is σ = 99617040. Its totient is φ = 99617038.

The previous prime is 99617027. The next prime is 99617099. The reversal of 99617039 is 93071699.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99617039 - 2¹⁶ = 99551503 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 (99617009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49808519 + 49808520.

It is an arithmetic number, because the mean of its divisors is an integer number (49808520).

Almost surely, 2^99617039 is an apocalyptic number.

99617039 is a deficient number, since it is larger than the sum of its proper divisors (1).

99617039 is an equidigital number, since it uses as much as digits as its factorization.

99617039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 44.

The square root of 99617039 is about 9980.8335824219. The cubic root of 99617039 is about 463.5656095460.

The spelling of 99617039 in words is "ninety-nine million, six hundred seventeen thousand, thirty-nine".