7685767137 has 16 divisors (see below), whose sum is σ = 10605176640. Its totient is φ = 4945238592.

The previous prime is 7685767123. The next prime is 7685767183. The reversal of 7685767137 is 7317675867.

It is a happy number.

It is not a de Polignac number, because 7685767137 - 2¹⁴ = 7685750753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7685777137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228103 + ... + 259619.

It is an arithmetic number, because the mean of its divisors is an integer number (662823540).

Almost surely, 2^7685767137 is an apocalyptic number.

It is an amenable number.

7685767137 is a deficient number, since it is larger than the sum of its proper divisors (2919409503).

7685767137 is a wasteful number, since it uses less digits than its factorization.

7685767137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34352.

The product of its digits is 10372320, while the sum is 57.

The square root of 7685767137 is about 87668.5070991859. The cubic root of 7685767137 is about 1973.4633894726.

The spelling of 7685767137 in words is "seven billion, six hundred eighty-five million, seven hundred sixty-seven thousand, one hundred thirty-seven".