94778879 has 16 divisors (see below), whose sum is σ = 103820640. Its totient is φ = 86002560.

The previous prime is 94778857. The next prime is 94778903. The reversal of 94778879 is 97887749.

It is a cyclic number.

It is not a de Polignac number, because 94778879 - 2¹⁶ = 94713343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94772879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298829 + ... + 299145.

It is an arithmetic number, because the mean of its divisors is an integer number (6488790).

Almost surely, 2^94778879 is an apocalyptic number.

94778879 is a deficient number, since it is larger than the sum of its proper divisors (9041761).

94778879 is a wasteful number, since it uses less digits than its factorization.

94778879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its digits is 7112448, while the sum is 59.

The square root of 94778879 is about 9735.4444685387. Note that the first 4 decimals coincide. The cubic root of 94778879 is about 455.9359697080.

The spelling of 94778879 in words is "ninety-four million, seven hundred seventy-eight thousand, eight hundred seventy-nine".