7616575397 has 2 divisors, whose sum is σ = 7616575398. Its totient is φ = 7616575396.

The previous prime is 7616575381. The next prime is 7616575409. The reversal of 7616575397 is 7935756167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7429405636 + 187169761 = 86194^2 + 13681^2 .

It is a cyclic number.

It is not a de Polignac number, because 7616575397 - 2⁴ = 7616575381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7616575997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3808287698 + 3808287699.

It is an arithmetic number, because the mean of its divisors is an integer number (3808287699).

Almost surely, 2^7616575397 is an apocalyptic number.

It is an amenable number.

7616575397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7616575397 is an equidigital number, since it uses as much as digits as its factorization.

7616575397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8334900, while the sum is 56.

The square root of 7616575397 is about 87272.9935146034. The cubic root of 7616575397 is about 1967.5234407927.

The spelling of 7616575397 in words is "seven billion, six hundred sixteen million, five hundred seventy-five thousand, three hundred ninety-seven".