7874231947 has 2 divisors, whose sum is σ = 7874231948. Its totient is φ = 7874231946.

The previous prime is 7874231941. The next prime is 7874232001. The reversal of 7874231947 is 7491324787.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7874231947 - 2¹⁹ = 7873707659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7874231894 and 7874231903.

It is not a weakly prime, because it can be changed into another prime (7874231941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937115973 + 3937115974.

It is an arithmetic number, because the mean of its divisors is an integer number (3937115974).

Almost surely, 2^7874231947 is an apocalyptic number.

7874231947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7874231947 is an equidigital number, since it uses as much as digits as its factorization.

7874231947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 52.

The square root of 7874231947 is about 88736.8691525681. The cubic root of 7874231947 is about 1989.4639219125.

The spelling of 7874231947 in words is "seven billion, eight hundred seventy-four million, two hundred thirty-one thousand, nine hundred forty-seven".