47087774038 has 4 divisors (see below), whose sum is σ = 70631661060. Its totient is φ = 23543887018.

The previous prime is 47087774023. The next prime is 47087774077. The reversal of 47087774038 is 83047778074.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83047778074 = 2 ⋅41523889037.

It is a self number, because there is not a number n which added to its sum of digits gives 47087774038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771943508 + ... + 11771943511.

It is an arithmetic number, because the mean of its divisors is an integer number (17657915265).

Almost surely, 2^47087774038 is an apocalyptic number.

47087774038 is a deficient number, since it is larger than the sum of its proper divisors (23543887022).

47087774038 is a wasteful number, since it uses less digits than its factorization.

47087774038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23543887021.

The product of its (nonzero) digits is 7375872, while the sum is 55.

The spelling of 47087774038 in words is "forty-seven billion, eighty-seven million, seven hundred seventy-four thousand, thirty-eight".