47997270279 has 16 divisors (see below), whose sum is σ = 81265219840. Its totient is φ = 27427011480.

The previous prime is 47997270253. The next prime is 47997270313. The reversal of 47997270279 is 97207279974.

47997270279 is a `hidden beast` number, since 4 + 7 + 9 + 97 + 270 + 279 = 666.

47997270279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47997270279 - 2⁷ = 47997270151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47997270779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126976717 + ... + 126977094.

It is an arithmetic number, because the mean of its divisors is an integer number (5079076240).

Almost surely, 2^47997270279 is an apocalyptic number.

47997270279 is a deficient number, since it is larger than the sum of its proper divisors (33267949561).

47997270279 is a wasteful number, since it uses less digits than its factorization.

47997270279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253953827 (or 253953821 counting only the distinct ones).

The product of its (nonzero) digits is 28005264, while the sum is 63.

The spelling of 47997270279 in words is "forty-seven billion, nine hundred ninety-seven million, two hundred seventy thousand, two hundred seventy-nine".