99790967 has 2 divisors, whose sum is σ = 99790968. Its totient is φ = 99790966.

The previous prime is 99790921. The next prime is 99790987. The reversal of 99790967 is 76909799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99790967 - 2²² = 95596663 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 (99790987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49895483 + 49895484.

It is an arithmetic number, because the mean of its divisors is an integer number (49895484).

Almost surely, 2^99790967 is an apocalyptic number.

99790967 is a deficient number, since it is larger than the sum of its proper divisors (1).

99790967 is an equidigital number, since it uses as much as digits as its factorization.

99790967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1928934, while the sum is 56.

The square root of 99790967 is about 9989.5428824346. The cubic root of 99790967 is about 463.8352426716.

The spelling of 99790967 in words is "ninety-nine million, seven hundred ninety thousand, nine hundred sixty-seven".