47977840757 has 16 divisors (see below), whose sum is σ = 59958651264. Its totient is φ = 37296504000.

The previous prime is 47977840753. The next prime is 47977840769. The reversal of 47977840757 is 75704877974.

It is not a de Polignac number, because 47977840757 - 2² = 47977840753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47977840693 and 47977840702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47977840753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707594 + ... + 772427.

It is an arithmetic number, because the mean of its divisors is an integer number (3747415704).

Almost surely, 2^47977840757 is an apocalyptic number.

It is an amenable number.

47977840757 is a deficient number, since it is larger than the sum of its proper divisors (11980810507).

47977840757 is a wasteful number, since it uses less digits than its factorization.

47977840757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480460.

The product of its (nonzero) digits is 96808320, while the sum is 65.

The spelling of 47977840757 in words is "forty-seven billion, nine hundred seventy-seven million, eight hundred forty thousand, seven hundred fifty-seven".