786994808667 has 16 divisors (see below), whose sum is σ = 1086739530240. Its totient is φ = 505997628192.

The previous prime is 786994808651. The next prime is 786994808669. The reversal of 786994808667 is 766808499687.

It is not a de Polignac number, because 786994808667 - 2⁴ = 786994808651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 786994808592 and 786994808601.

It is not an unprimeable number, because it can be changed into a prime (786994808669) 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, 5045443 + ... + 5199084.

It is an arithmetic number, because the mean of its divisors is an integer number (67921220640).

Almost surely, 2^786994808667 is an apocalyptic number.

786994808667 is a deficient number, since it is larger than the sum of its proper divisors (299744721573).

786994808667 is a wasteful number, since it uses less digits than its factorization.

786994808667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245442.

The product of its (nonzero) digits is 1755758592, while the sum is 78.

The spelling of 786994808667 in words is "seven hundred eighty-six billion, nine hundred ninety-four million, eight hundred eight thousand, six hundred sixty-seven".