47805655757 has 4 divisors (see below), whose sum is σ = 48410790720. Its totient is φ = 47200520796.

The previous prime is 47805655721. The next prime is 47805655763. The reversal of 47805655757 is 75755650874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47805655757 - 2⁶ = 47805655693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47805655696 and 47805655705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47805625757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302567363 + ... + 302567520.

It is an arithmetic number, because the mean of its divisors is an integer number (12102697680).

Almost surely, 2^47805655757 is an apocalyptic number.

It is an amenable number.

47805655757 is a deficient number, since it is larger than the sum of its proper divisors (605134963).

47805655757 is an equidigital number, since it uses as much as digits as its factorization.

47805655757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605134962.

The product of its (nonzero) digits is 41160000, while the sum is 59.

The spelling of 47805655757 in words is "forty-seven billion, eight hundred five million, six hundred fifty-five thousand, seven hundred fifty-seven".