7715480863 has 2 divisors, whose sum is σ = 7715480864. Its totient is φ = 7715480862.

The previous prime is 7715480837. The next prime is 7715480881. The reversal of 7715480863 is 3680845177.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7715480863 - 2⁵ = 7715480831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7715480813) 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, 3857740431 + 3857740432.

It is an arithmetic number, because the mean of its divisors is an integer number (3857740432).

Almost surely, 2^7715480863 is an apocalyptic number.

7715480863 is a deficient number, since it is larger than the sum of its proper divisors (1).

7715480863 is an equidigital number, since it uses as much as digits as its factorization.

7715480863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 7715480863 is about 87837.8099852222. The cubic root of 7715480863 is about 1976.0033027005.

The spelling of 7715480863 in words is "seven billion, seven hundred fifteen million, four hundred eighty thousand, eight hundred sixty-three".