8007782697 has 12 divisors (see below), whose sum is σ = 12247197300. Its totient is φ = 5024491008.

The previous prime is 8007782681. The next prime is 8007782711. The reversal of 8007782697 is 7962877008.

It can be written as a sum of positive squares in 2 ways, for example, as 4891463721 + 3116318976 = 69939^2 + 55824^2 .

It is not a de Polignac number, because 8007782697 - 2⁴ = 8007782681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8007782897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26169072 + ... + 26169377.

It is an arithmetic number, because the mean of its divisors is an integer number (1020599775).

Almost surely, 2^8007782697 is an apocalyptic number.

It is an amenable number.

8007782697 is a deficient number, since it is larger than the sum of its proper divisors (4239414603).

8007782697 is a wasteful number, since it uses less digits than its factorization.

8007782697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52338472 (or 52338469 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 8007782697 is about 89486.2151227774. The cubic root of 8007782697 is about 2000.6483478831.

The spelling of 8007782697 in words is "eight billion, seven million, seven hundred eighty-two thousand, six hundred ninety-seven".