47923856997 has 16 divisors (see below), whose sum is σ = 69580920000. Its totient is φ = 29223984384.

The previous prime is 47923856941. The next prime is 47923856999. The reversal of 47923856997 is 79965832974.

It is not a de Polignac number, because 47923856997 - 2⁸ = 47923856741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923856999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14494372 + ... + 14497677.

It is an arithmetic number, because the mean of its divisors is an integer number (4348807500).

Almost surely, 2^47923856997 is an apocalyptic number.

It is an amenable number.

47923856997 is a deficient number, since it is larger than the sum of its proper divisors (21657063003).

47923856997 is a wasteful number, since it uses less digits than its factorization.

47923856997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28992100.

The product of its digits is 205752960, while the sum is 69.

The spelling of 47923856997 in words is "forty-seven billion, nine hundred twenty-three million, eight hundred fifty-six thousand, nine hundred ninety-seven".