7686897017 has 16 divisors (see below), whose sum is σ = 7820614032. Its totient is φ = 7554539520.

The previous prime is 7686896911. The next prime is 7686897059. The reversal of 7686897017 is 7107986867.

It can be written as a sum of positive squares in 8 ways, for example, as 479566201 + 7207330816 = 21899^2 + 84896^2 .

It is a cyclic number.

It is not a de Polignac number, because 7686897017 - 2¹² = 7686892921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7686897067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16674167 + ... + 16674627.

It is an arithmetic number, because the mean of its divisors is an integer number (488788377).

Almost surely, 2^7686897017 is an apocalyptic number.

It is an amenable number.

7686897017 is a deficient number, since it is larger than the sum of its proper divisors (133717015).

7686897017 is a wasteful number, since it uses less digits than its factorization.

7686897017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The square root of 7686897017 is about 87674.9509095956. The cubic root of 7686897017 is about 1973.5600906224.

The spelling of 7686897017 in words is "seven billion, six hundred eighty-six million, eight hundred ninety-seven thousand, seventeen".