47279117668 has 24 divisors (see below), whose sum is σ = 85435503104. Its totient is φ = 22869475200.

The previous prime is 47279117621. The next prime is 47279117681. The reversal of 47279117668 is 86671197274.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325921 + ... + 448087.

Almost surely, 2^47279117668 is an apocalyptic number.

It is an amenable number.

47279117668 is a deficient number, since it is larger than the sum of its proper divisors (38156385436).

47279117668 is a wasteful number, since it uses less digits than its factorization.

47279117668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125323 (or 125321 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 58.

The spelling of 47279117668 in words is "forty-seven billion, two hundred seventy-nine million, one hundred seventeen thousand, six hundred sixty-eight".