7215883247 has 2 divisors, whose sum is σ = 7215883248. Its totient is φ = 7215883246.

The previous prime is 7215883159. The next prime is 7215883249. The reversal of 7215883247 is 7423885127.

It is a strong prime.

It is an emirp because it is prime and its reverse (7423885127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7215883247 - 2²² = 7211688943 is a prime.

Together with 7215883249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7215883249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607941623 + 3607941624.

It is an arithmetic number, because the mean of its divisors is an integer number (3607941624).

Almost surely, 2^7215883247 is an apocalyptic number.

7215883247 is a deficient number, since it is larger than the sum of its proper divisors (1).

7215883247 is an equidigital number, since it uses as much as digits as its factorization.

7215883247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 752640, while the sum is 47.

The square root of 7215883247 is about 84946.3551130948. The cubic root of 7215883247 is about 1932.3976436301.

The spelling of 7215883247 in words is "seven billion, two hundred fifteen million, eight hundred eighty-three thousand, two hundred forty-seven".