47879469387 has 16 divisors (see below), whose sum is σ = 74665840000. Its totient is φ = 30239664552.

The previous prime is 47879469367. The next prime is 47879469397. The reversal of 47879469387 is 78396497874.

47879469387 is a `hidden beast` number, since 4 + 7 + 87 + 9 + 469 + 3 + 87 = 666.

It is not a de Polignac number, because 47879469387 - 2¹⁶ = 47879403851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47879469347) 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, 46665637 + ... + 46666662.

It is an arithmetic number, because the mean of its divisors is an integer number (4666615000).

Almost surely, 2^47879469387 is an apocalyptic number.

47879469387 is a deficient number, since it is larger than the sum of its proper divisors (26786370613).

47879469387 is a wasteful number, since it uses less digits than its factorization.

47879469387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93332327 (or 93332321 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 72.

The spelling of 47879469387 in words is "forty-seven billion, eight hundred seventy-nine million, four hundred sixty-nine thousand, three hundred eighty-seven".