47264646879 has 20 divisors (see below), whose sum is σ = 70808728584. Its totient is φ = 31418939664.

The previous prime is 47264646857. The next prime is 47264646911. The reversal of 47264646879 is 97864646274.

47264646879 is a `hidden beast` number, since 47 + 2 + 6 + 464 + 68 + 79 = 666.

It is not a de Polignac number, because 47264646879 - 2¹⁷ = 47264515807 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47264646809) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 812692 + ... + 868905.

Almost surely, 2^47264646879 is an apocalyptic number.

47264646879 is a deficient number, since it is larger than the sum of its proper divisors (23544081705).

47264646879 is a wasteful number, since it uses less digits than its factorization.

47264646879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681956 (or 1681947 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 47264646879 in words is "forty-seven billion, two hundred sixty-four million, six hundred forty-six thousand, eight hundred seventy-nine".