947793916782 has 12 divisors (see below), whose sum is σ = 2053553486400. Its totient is φ = 315931305588.

The previous prime is 947793916757. The next prime is 947793916787. The reversal of 947793916782 is 287619397749.

947793916782 is a `hidden beast` number, since 9 + 477 + 9 + 3 + 91 + 67 + 8 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 947793916782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947793916787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26327608782 + ... + 26327608817.

It is an arithmetic number, because the mean of its divisors is an integer number (171129457200).

Almost surely, 2^947793916782 is an apocalyptic number.

947793916782 is an abundant number, since it is smaller than the sum of its proper divisors (1105759569618).

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

947793916782 is a wasteful number, since it uses less digits than its factorization.

947793916782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52655217607 (or 52655217604 counting only the distinct ones).

The product of its digits is 288054144, while the sum is 72.

The spelling of 947793916782 in words is "nine hundred forty-seven billion, seven hundred ninety-three million, nine hundred sixteen thousand, seven hundred eighty-two".