47982691 has 2 divisors, whose sum is σ = 47982692. Its totient is φ = 47982690.

The previous prime is 47982677. The next prime is 47982707. The reversal of 47982691 is 19628974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47982691 - 2²³ = 39594083 is a prime.

It is not a weakly prime, because it can be changed into another prime (47982601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23991345 + 23991346.

It is an arithmetic number, because the mean of its divisors is an integer number (23991346).

Almost surely, 2^47982691 is an apocalyptic number.

47982691 is a deficient number, since it is larger than the sum of its proper divisors (1).

47982691 is an equidigital number, since it uses as much as digits as its factorization.

47982691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 47982691 is about 6926.9539481651. The cubic root of 47982691 is about 363.3804292307.

The spelling of 47982691 in words is "forty-seven million, nine hundred eighty-two thousand, six hundred ninety-one".