8683397757 has 6 divisors (see below), whose sum is σ = 12542685662. Its totient is φ = 5788931832.

The previous prime is 8683397743. The next prime is 8683397809. The reversal of 8683397757 is 7577933868.

It can be written as a sum of positive squares in only one way, i.e., 8453147481 + 230250276 = 91941^2 + 15174^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8683397757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8683397694 and 8683397703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8683397707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 482410978 + ... + 482410995.

Almost surely, 2^8683397757 is an apocalyptic number.

It is an amenable number.

8683397757 is a deficient number, since it is larger than the sum of its proper divisors (3859287905).

8683397757 is a wasteful number, since it uses less digits than its factorization.

8683397757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964821979 (or 964821976 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 63.

The square root of 8683397757 is about 93184.7506676924. The cubic root of 8683397757 is about 2055.4010072213.

It can be divided in two parts, 868339 and 7757, that added together give a square (876096 = 936²).

The spelling of 8683397757 in words is "eight billion, six hundred eighty-three million, three hundred ninety-seven thousand, seven hundred fifty-seven".