47974792867 has 2 divisors, whose sum is σ = 47974792868. Its totient is φ = 47974792866.

The previous prime is 47974792847. The next prime is 47974792871. The reversal of 47974792867 is 76829747974.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47974792867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47974792796 and 47974792805.

It is not a weakly prime, because it can be changed into another prime (47974792837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23987396433 + 23987396434.

It is an arithmetic number, because the mean of its divisors is an integer number (23987396434).

Almost surely, 2^47974792867 is an apocalyptic number.

47974792867 is a deficient number, since it is larger than the sum of its proper divisors (1).

47974792867 is an equidigital number, since it uses as much as digits as its factorization.

47974792867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 298722816, while the sum is 70.

The spelling of 47974792867 in words is "forty-seven billion, nine hundred seventy-four million, seven hundred ninety-two thousand, eight hundred sixty-seven".