47872781674 has 4 divisors (see below), whose sum is σ = 71809172514. Its totient is φ = 23936390836.

The previous prime is 47872781657. The next prime is 47872781683. The reversal of 47872781674 is 47618727874.

It is a happy number.

47872781674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 24952941225 + 22919840449 = 157965^2 + 151393^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11968195417 + ... + 11968195420.

Almost surely, 2^47872781674 is an apocalyptic number.

47872781674 is a deficient number, since it is larger than the sum of its proper divisors (23936390840).

47872781674 is a wasteful number, since it uses less digits than its factorization.

47872781674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23936390839.

The product of its digits is 29503488, while the sum is 61.

The spelling of 47872781674 in words is "forty-seven billion, eight hundred seventy-two million, seven hundred eighty-one thousand, six hundred seventy-four".