7830632657 has 2 divisors, whose sum is σ = 7830632658. Its totient is φ = 7830632656.

The previous prime is 7830632627. The next prime is 7830632669. The reversal of 7830632657 is 7562360387.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6127914961 + 1702717696 = 78281^2 + 41264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7830632657 is a prime.

It is a super-2 number, since 2×7830632657² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7830632617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3915316328 + 3915316329.

It is an arithmetic number, because the mean of its divisors is an integer number (3915316329).

Almost surely, 2^7830632657 is an apocalyptic number.

It is an amenable number.

7830632657 is a deficient number, since it is larger than the sum of its proper divisors (1).

7830632657 is an equidigital number, since it uses as much as digits as its factorization.

7830632657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 7830632657 is about 88490.8619971577. The cubic root of 7830632657 is about 1985.7852647518.

The spelling of 7830632657 in words is "seven billion, eight hundred thirty million, six hundred thirty-two thousand, six hundred fifty-seven".