47678687674 has 4 divisors (see below), whose sum is σ = 71518031514. Its totient is φ = 23839343836.

The previous prime is 47678687621. The next prime is 47678687687.

It is a happy number.

47678687674 is nontrivially palindromic in base 10.

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., 32817858649 + 14860829025 = 181157^2 + 121905^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11919671917 + ... + 11919671920.

Almost surely, 2^47678687674 is an apocalyptic number.

47678687674 is a deficient number, since it is larger than the sum of its proper divisors (23839343840).

47678687674 is a wasteful number, since it uses less digits than its factorization.

47678687674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23839343839.

The product of its digits is 531062784, while the sum is 70.

The spelling of 47678687674 in words is "forty-seven billion, six hundred seventy-eight million, six hundred eighty-seven thousand, six hundred seventy-four".