472947879690 has 96 divisors (see below), whose sum is σ = 1444640835456. Its totient is φ = 105834487680.

The previous prime is 472947879637. The next prime is 472947879707. The reversal of 472947879690 is 96978749274.

472947879690 is a `hidden beast` number, since 4 + 7 + 29 + 478 + 79 + 69 + 0 = 666.

It is a super-2 number, since 2×472947879690² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18361174 + ... + 18386913.

It is an arithmetic number, because the mean of its divisors is an integer number (15048342036).

Almost surely, 2^472947879690 is an apocalyptic number.

472947879690 is an abundant number, since it is smaller than the sum of its proper divisors (971692955766).

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

472947879690 is a wasteful number, since it uses less digits than its factorization.

472947879690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36748124 (or 36748121 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 72.

The spelling of 472947879690 in words is "four hundred seventy-two billion, nine hundred forty-seven million, eight hundred seventy-nine thousand, six hundred ninety".