47774557682 has 4 divisors (see below), whose sum is σ = 71661836526. Its totient is φ = 23887278840.

The previous prime is 47774557681. The next prime is 47774557693. The reversal of 47774557682 is 28675547774.

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

It can be written as a sum of positive squares in only one way, i.e., 25561934161 + 22212623521 = 159881^2 + 149039^2 .

It is not an unprimeable number, because it can be changed into a prime (47774557681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11943639419 + ... + 11943639422.

Almost surely, 2^47774557682 is an apocalyptic number.

47774557682 is a deficient number, since it is larger than the sum of its proper divisors (23887278844).

47774557682 is a wasteful number, since it uses less digits than its factorization.

47774557682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23887278843.

The product of its digits is 92198400, while the sum is 62.

The spelling of 47774557682 in words is "forty-seven billion, seven hundred seventy-four million, five hundred fifty-seven thousand, six hundred eighty-two".