99994379 has 2 divisors, whose sum is σ = 99994380. Its totient is φ = 99994378.

The previous prime is 99994373. The next prime is 99994471. The reversal of 99994379 is 97349999.

It is a weak prime.

It is an emirp because it is prime and its reverse (97349999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99994379 - 2⁸ = 99994123 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99994373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49997189 + 49997190.

It is an arithmetic number, because the mean of its divisors is an integer number (49997190).

Almost surely, 2^99994379 is an apocalyptic number.

99994379 is a deficient number, since it is larger than the sum of its proper divisors (1).

99994379 is an equidigital number, since it uses as much as digits as its factorization.

99994379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4960116, while the sum is 59.

The square root of 99994379 is about 9999.7189460504. The cubic root of 99994379 is about 464.1501864080.

The spelling of 99994379 in words is "ninety-nine million, nine hundred ninety-four thousand, three hundred seventy-nine".