47309272257 has 32 divisors (see below), whose sum is σ = 68293427328. Its totient is φ = 28958432256.

The previous prime is 47309272237. The next prime is 47309272261. The reversal of 47309272257 is 75227290374.

It is not a de Polignac number, because 47309272257 - 2¹² = 47309268161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47309272207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14278233 + ... + 14281545.

It is an arithmetic number, because the mean of its divisors is an integer number (2134169604).

Almost surely, 2^47309272257 is an apocalyptic number.

It is an amenable number.

47309272257 is a deficient number, since it is larger than the sum of its proper divisors (20984155071).

47309272257 is a wasteful number, since it uses less digits than its factorization.

47309272257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 47309272257 in words is "forty-seven billion, three hundred nine million, two hundred seventy-two thousand, two hundred fifty-seven".