947999793 has 16 divisors (see below), whose sum is σ = 1362205376. Its totient is φ = 582966720.

The previous prime is 947999791. The next prime is 947999803. The reversal of 947999793 is 397999749.

It is not a de Polignac number, because 947999793 - 2¹ = 947999791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947999791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51771 + ... + 67647.

It is an arithmetic number, because the mean of its divisors is an integer number (85137836).

Almost surely, 2^947999793 is an apocalyptic number.

It is an amenable number.

947999793 is a deficient number, since it is larger than the sum of its proper divisors (414205583).

947999793 is a wasteful number, since it uses less digits than its factorization.

947999793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17424.

The product of its digits is 34720812, while the sum is 66.

The square root of 947999793 is about 30789.6052751574. The cubic root of 947999793 is about 982.3571583674.

The spelling of 947999793 in words is "nine hundred forty-seven million, nine hundred ninety-nine thousand, seven hundred ninety-three".