7663492997 has 2 divisors, whose sum is σ = 7663492998. Its totient is φ = 7663492996.

The previous prime is 7663492957. The next prime is 7663493029. The reversal of 7663492997 is 7992943667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4509659716 + 3153833281 = 67154^2 + 56159^2 .

It is a cyclic number.

It is not a de Polignac number, because 7663492997 - 2¹⁰ = 7663491973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7663492957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831746498 + 3831746499.

It is an arithmetic number, because the mean of its divisors is an integer number (3831746499).

Almost surely, 2^7663492997 is an apocalyptic number.

It is an amenable number.

7663492997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663492997 is an equidigital number, since it uses as much as digits as its factorization.

7663492997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30862944, while the sum is 62.

The square root of 7663492997 is about 87541.3787702707. The cubic root of 7663492997 is about 1971.5551118431. Note that the first 3 decimals are identical.

The spelling of 7663492997 in words is "seven billion, six hundred sixty-three million, four hundred ninety-two thousand, nine hundred ninety-seven".