7661097319 has 2 divisors, whose sum is σ = 7661097320. Its totient is φ = 7661097318.

The previous prime is 7661097281. The next prime is 7661097377. The reversal of 7661097319 is 9137901667.

7661097319 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7661097319 is a prime.

It is a super-2 number, since 2×7661097319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7661092319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3830548659 + 3830548660.

It is an arithmetic number, because the mean of its divisors is an integer number (3830548660).

Almost surely, 2^7661097319 is an apocalyptic number.

7661097319 is a deficient number, since it is larger than the sum of its proper divisors (1).

7661097319 is an equidigital number, since it uses as much as digits as its factorization.

7661097319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 7661097319 is about 87527.6945829147. The cubic root of 7661097319 is about 1971.3496483785.

The spelling of 7661097319 in words is "seven billion, six hundred sixty-one million, ninety-seven thousand, three hundred nineteen".