947098879 has 8 divisors (see below), whose sum is σ = 979699280. Its totient is φ = 914867136.

The previous prime is 947098877. The next prime is 947098897. The reversal of 947098879 is 978890749.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 947098879 - 2¹ = 947098877 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 (947098877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86934 + ... + 97219.

It is an arithmetic number, because the mean of its divisors is an integer number (122462410).

Almost surely, 2^947098879 is an apocalyptic number.

947098879 is a deficient number, since it is larger than the sum of its proper divisors (32600401).

947098879 is a wasteful number, since it uses less digits than its factorization.

947098879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184329.

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

The square root of 947098879 is about 30774.9716328058. The cubic root of 947098879 is about 982.0458714433.

The spelling of 947098879 in words is "nine hundred forty-seven million, ninety-eight thousand, eight hundred seventy-nine".