947404799 has 16 divisors (see below), whose sum is σ = 1115665920. Its totient is φ = 795416160.

The previous prime is 947404793. The next prime is 947404807. The reversal of 947404799 is 997404749.

It is a de Polignac number, because none of the positive numbers 2^k-947404799 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 947404799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947404793) 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, 57227 + ... + 71900.

It is an arithmetic number, because the mean of its divisors is an integer number (69729120).

Almost surely, 2^947404799 is an apocalyptic number.

947404799 is a deficient number, since it is larger than the sum of its proper divisors (168261121).

947404799 is a wasteful number, since it uses less digits than its factorization.

947404799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129190.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 947404799 is about 30779.9415041679. The cubic root of 947404799 is about 982.1515961072.

The spelling of 947404799 in words is "nine hundred forty-seven million, four hundred four thousand, seven hundred ninety-nine".