47783474387 has 12 divisors (see below), whose sum is σ = 55611882648. Its totient is φ = 40884254400.

The previous prime is 47783474383. The next prime is 47783474399. The reversal of 47783474387 is 78347438774.

47783474387 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 47783474387 - 2² = 47783474383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47783474383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11612789 + ... + 11616902.

It is an arithmetic number, because the mean of its divisors is an integer number (4634323554).

Almost surely, 2^47783474387 is an apocalyptic number.

47783474387 is a deficient number, since it is larger than the sum of its proper divisors (7828408261).

47783474387 is a wasteful number, since it uses less digits than its factorization.

47783474387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23229730 (or 23229719 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 62.

The spelling of 47783474387 in words is "forty-seven billion, seven hundred eighty-three million, four hundred seventy-four thousand, three hundred eighty-seven".