77609969714 has 16 divisors (see below), whose sum is σ = 116574959160. Its totient is φ = 38751682560.

The previous prime is 77609969711. The next prime is 77609969743. The reversal of 77609969714 is 41796990677.

It can be written as a sum of positive squares in 4 ways, for example, as 77592888025 + 17081689 = 278555^2 + 4133^2 .

It is not an unprimeable number, because it can be changed into a prime (77609969711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6375794 + ... + 6387954.

Almost surely, 2^77609969714 is an apocalyptic number.

77609969714 is a deficient number, since it is larger than the sum of its proper divisors (38964989446).

77609969714 is a wasteful number, since it uses less digits than its factorization.

77609969714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16285.

The product of its (nonzero) digits is 36006768, while the sum is 65.

The spelling of 77609969714 in words is "seventy-seven billion, six hundred nine million, nine hundred sixty-nine thousand, seven hundred fourteen".