947477480 has 32 divisors (see below), whose sum is σ = 2181405600. Its totient is φ = 370176576.

The previous prime is 947477471. The next prime is 947477497. The reversal of 947477480 is 84774749.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273710 + ... + 277149.

It is an arithmetic number, because the mean of its divisors is an integer number (68168925).

Almost surely, 2^947477480 is an apocalyptic number.

It is an amenable number.

947477480 is an abundant number, since it is smaller than the sum of its proper divisors (1233928120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947477480 is a wasteful number, since it uses less digits than its factorization.

947477480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550913 (or 550909 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 947477480 is about 30781.1221367903. The cubic root of 947477480 is about 982.1767110087.

The spelling of 947477480 in words is "nine hundred forty-seven million, four hundred seventy-seven thousand, four hundred eighty".