7814999047 has 2 divisors, whose sum is σ = 7814999048. Its totient is φ = 7814999046.

The previous prime is 7814999021. The next prime is 7814999063. The reversal of 7814999047 is 7409994187.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7814999047 - 2¹⁵ = 7814966279 is a prime.

It is a super-2 number, since 2×7814999047² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7814998982 and 7814999000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7814999077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3907499523 + 3907499524.

It is an arithmetic number, because the mean of its divisors is an integer number (3907499524).

Almost surely, 2^7814999047 is an apocalyptic number.

7814999047 is a deficient number, since it is larger than the sum of its proper divisors (1).

7814999047 is an equidigital number, since it uses as much as digits as its factorization.

7814999047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The square root of 7814999047 is about 88402.4832626324. The cubic root of 7814999047 is about 1984.4628651964.

The spelling of 7814999047 in words is "seven billion, eight hundred fourteen million, nine hundred ninety-nine thousand, forty-seven".