786997266 has 48 divisors (see below), whose sum is σ = 1758218400. Its totient is φ = 232901760.

The previous prime is 786997261. The next prime is 786997291. The reversal of 786997266 is 662799687.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (786997261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118810 + ... + 125258.

It is an arithmetic number, because the mean of its divisors is an integer number (36629550).

Almost surely, 2^786997266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 786997266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879109200).

786997266 is an abundant number, since it is smaller than the sum of its proper divisors (971221134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

786997266 is a wasteful number, since it uses less digits than its factorization.

786997266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551 (or 6508 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 786997266 is about 28053.4715498813. The cubic root of 786997266 is about 923.2608240082.

The spelling of 786997266 in words is "seven hundred eighty-six million, nine hundred ninety-seven thousand, two hundred sixty-six".