7874999047 has 2 divisors, whose sum is σ = 7874999048. Its totient is φ = 7874999046.

The previous prime is 7874999023. The next prime is 7874999057. The reversal of 7874999047 is 7409994787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7874999047 - 2¹¹ = 7874996999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7874999047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7874999057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937499523 + 3937499524.

It is an arithmetic number, because the mean of its divisors is an integer number (3937499524).

Almost surely, 2^7874999047 is an apocalyptic number.

7874999047 is a deficient number, since it is larger than the sum of its proper divisors (1).

7874999047 is an equidigital number, since it uses as much as digits as its factorization.

7874999047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32006016, while the sum is 64.

The square root of 7874999047 is about 88741.1913769474. The cubic root of 7874999047 is about 1989.5285236933.

The spelling of 7874999047 in words is "seven billion, eight hundred seventy-four million, nine hundred ninety-nine thousand, forty-seven".