994885979 has 2 divisors, whose sum is σ = 994885980. Its totient is φ = 994885978.

The previous prime is 994885943. The next prime is 994886003. The reversal of 994885979 is 979588499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994885979 - 2¹² = 994881883 is a prime.

It is a super-2 number, since 2×994885979² = 1979596222421576882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (994885909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497442989 + 497442990.

It is an arithmetic number, because the mean of its divisors is an integer number (497442990).

Almost surely, 2^994885979 is an apocalyptic number.

994885979 is a deficient number, since it is larger than the sum of its proper divisors (1).

994885979 is an equidigital number, since it uses as much as digits as its factorization.

994885979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 68.

The square root of 994885979 is about 31541.8131850406. The cubic root of 994885979 is about 998.2924121367.

The spelling of 994885979 in words is "nine hundred ninety-four million, eight hundred eighty-five thousand, nine hundred seventy-nine".