47737897 has 2 divisors, whose sum is σ = 47737898. Its totient is φ = 47737896.

The previous prime is 47737843. The next prime is 47737939. The reversal of 47737897 is 79873774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42981136 + 4756761 = 6556^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 47737897 - 2¹⁵ = 47705129 is a prime.

It is not a weakly prime, because it can be changed into another prime (47737097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23868948 + 23868949.

It is an arithmetic number, because the mean of its divisors is an integer number (23868949).

Almost surely, 2^47737897 is an apocalyptic number.

It is an amenable number.

47737897 is a deficient number, since it is larger than the sum of its proper divisors (1).

47737897 is an equidigital number, since it uses as much as digits as its factorization.

47737897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2074464, while the sum is 52.

The square root of 47737897 is about 6909.2616826981. The cubic root of 47737897 is about 362.7614209405.

The spelling of 47737897 in words is "forty-seven million, seven hundred thirty-seven thousand, eight hundred ninety-seven".