47087547279 has 4 divisors (see below), whose sum is σ = 62783396376. Its totient is φ = 31391698184.

The previous prime is 47087547263. The next prime is 47087547289. The reversal of 47087547279 is 97274578074.

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 47087547279 - 2⁴ = 47087547263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47087547289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7847924544 + ... + 7847924549.

It is an arithmetic number, because the mean of its divisors is an integer number (15695849094).

Almost surely, 2^47087547279 is an apocalyptic number.

47087547279 is a deficient number, since it is larger than the sum of its proper divisors (15695849097).

47087547279 is a wasteful number, since it uses less digits than its factorization.

47087547279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15695849096.

The product of its (nonzero) digits is 27659520, while the sum is 60.

The spelling of 47087547279 in words is "forty-seven billion, eighty-seven million, five hundred forty-seven thousand, two hundred seventy-nine".