786734240236 has 72 divisors (see below), whose sum is σ = 1679852966400. Its totient is φ = 315649932576.

The previous prime is 786734240209. The next prime is 786734240261. The reversal of 786734240236 is 632042437687.

It is a super-2 number, since 2×786734240236² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131115 + ... + 1261213.

It is an arithmetic number, because the mean of its divisors is an integer number (23331291200).

Almost surely, 2^786734240236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 786734240236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839926483200).

786734240236 is an abundant number, since it is smaller than the sum of its proper divisors (893118726164).

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

786734240236 is a wasteful number, since it uses less digits than its factorization.

786734240236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130203 (or 1130178 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 52.

The spelling of 786734240236 in words is "seven hundred eighty-six billion, seven hundred thirty-four million, two hundred forty thousand, two hundred thirty-six".