47631797 has 2 divisors, whose sum is σ = 47631798. Its totient is φ = 47631796.

The previous prime is 47631767. The next prime is 47631811. The reversal of 47631797 is 79713674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46977316 + 654481 = 6854^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 47631797 - 2⁶ = 47631733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47631757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23815898 + 23815899.

It is an arithmetic number, because the mean of its divisors is an integer number (23815899).

Almost surely, 2^47631797 is an apocalyptic number.

It is an amenable number.

47631797 is a deficient number, since it is larger than the sum of its proper divisors (1).

47631797 is an equidigital number, since it uses as much as digits as its factorization.

47631797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 44.

The square root of 47631797 is about 6901.5793120126. The cubic root of 47631797 is about 362.4924694432.

The spelling of 47631797 in words is "forty-seven million, six hundred thirty-one thousand, seven hundred ninety-seven".