94978879 has 2 divisors, whose sum is σ = 94978880. Its totient is φ = 94978878.

The previous prime is 94978861. The next prime is 94978883. The reversal of 94978879 is 97887949.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94978879 - 2¹¹ = 94976831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94978859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47489439 + 47489440.

It is an arithmetic number, because the mean of its divisors is an integer number (47489440).

Almost surely, 2^94978879 is an apocalyptic number.

94978879 is a deficient number, since it is larger than the sum of its proper divisors (1).

94978879 is an equidigital number, since it uses as much as digits as its factorization.

94978879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 61.

The square root of 94978879 is about 9745.7108001418. The cubic root of 94978879 is about 456.2564459213.

The spelling of 94978879 in words is "ninety-four million, nine hundred seventy-eight thousand, eight hundred seventy-nine".