947800668 has 48 divisors (see below), whose sum is σ = 2268861056. Its totient is φ = 307782720.

The previous prime is 947800657. The next prime is 947800673. The reversal of 947800668 is 866008749.

It is a super-2 number, since 2×947800668² = 1796652212522492448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215055 + ... + 219417.

Almost surely, 2^947800668 is an apocalyptic number.

It is an amenable number.

947800668 is an abundant number, since it is smaller than the sum of its proper divisors (1321060388).

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

947800668 is a wasteful number, since it uses less digits than its factorization.

947800668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 947800668 is about 30786.3714653091. The cubic root of 947800668 is about 982.2883729914.

The spelling of 947800668 in words is "nine hundred forty-seven million, eight hundred thousand, six hundred sixty-eight".