47772852790387 has 4 divisors (see below), whose sum is σ = 47881674778960. Its totient is φ = 47664030801816.

The previous prime is 47772852790343. The next prime is 47772852790447. The reversal of 47772852790387 is 78309725827774.

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

It is a cyclic number.

It is not a de Polignac number, because 47772852790387 - 2⁷ = 47772852790259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47772852790337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54410993628 + ... + 54410994505.

It is an arithmetic number, because the mean of its divisors is an integer number (11970418694740).

Almost surely, 2^{47772852790387} is an apocalyptic number.

47772852790387 is a deficient number, since it is larger than the sum of its proper divisors (108821988573).

47772852790387 is a wasteful number, since it uses less digits than its factorization.

47772852790387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108821988572.

The product of its (nonzero) digits is 2323399680, while the sum is 76.

The spelling of 47772852790387 in words is "forty-seven trillion, seven hundred seventy-two billion, eight hundred fifty-two million, seven hundred ninety thousand, three hundred eighty-seven".