947625879 has 8 divisors (see below), whose sum is σ = 1265838832. Its totient is φ = 630581760.

The previous prime is 947625863. The next prime is 947625881. The reversal of 947625879 is 978526749.

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

It is not a de Polignac number, because 947625879 - 2⁴ = 947625863 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 (947625859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290314 + ... + 293559.

It is an arithmetic number, because the mean of its divisors is an integer number (158229854).

Almost surely, 2^947625879 is an apocalyptic number.

947625879 is a deficient number, since it is larger than the sum of its proper divisors (318212953).

947625879 is a wasteful number, since it uses less digits than its factorization.

947625879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584417.

The product of its digits is 7620480, while the sum is 57.

The square root of 947625879 is about 30783.5325945545. The cubic root of 947625879 is about 982.2279862583.

The spelling of 947625879 in words is "nine hundred forty-seven million, six hundred twenty-five thousand, eight hundred seventy-nine".