47347586879 has 4 divisors (see below), whose sum is σ = 47781968520. Its totient is φ = 46913205240.

The previous prime is 47347586863. The next prime is 47347586893. The reversal of 47347586879 is 97868574374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47347586879 - 2⁴ = 47347586863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47347586849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217190657 + ... + 217190874.

It is an arithmetic number, because the mean of its divisors is an integer number (11945492130).

Almost surely, 2^47347586879 is an apocalyptic number.

47347586879 is a deficient number, since it is larger than the sum of its proper divisors (434381641).

47347586879 is a wasteful number, since it uses less digits than its factorization.

47347586879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434381640.

The product of its digits is 284497920, while the sum is 68.

The spelling of 47347586879 in words is "forty-seven billion, three hundred forty-seven million, five hundred eighty-six thousand, eight hundred seventy-nine".