47877747397 has 8 divisors (see below), whose sum is σ = 48362385344. Its totient is φ = 47393490528.

The previous prime is 47877747389. The next prime is 47877747413. The reversal of 47877747397 is 79374777874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47877747397 - 2³ = 47877747389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47877747367) 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 7 ways as a sum of consecutive naturals, for example, 160738 + ... + 348700.

It is an arithmetic number, because the mean of its divisors is an integer number (6045298168).

Almost surely, 2^47877747397 is an apocalyptic number.

It is an amenable number.

47877747397 is a deficient number, since it is larger than the sum of its proper divisors (484637947).

47877747397 is a wasteful number, since it uses less digits than its factorization.

47877747397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190539.

The product of its digits is 406594944, while the sum is 70.

The spelling of 47877747397 in words is "forty-seven billion, eight hundred seventy-seven million, seven hundred forty-seven thousand, three hundred ninety-seven".