786381974860 has 48 divisors (see below), whose sum is σ = 1709641777536. Its totient is φ = 303642888192.

The previous prime is 786381974843. The next prime is 786381974863. The reversal of 786381974860 is 68479183687.

It is a happy number.

It is a super-2 number, since 2×786381974860² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (786381974863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5661357 + ... + 5798596.

It is an arithmetic number, because the mean of its divisors is an integer number (35617537032).

Almost surely, 2^786381974860 is an apocalyptic number.

It is an amenable number.

786381974860 is an abundant number, since it is smaller than the sum of its proper divisors (923259802676).

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

786381974860 is a wasteful number, since it uses less digits than its factorization.

786381974860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11460082 (or 11460080 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 786381974860 in words is "seven hundred eighty-six billion, three hundred eighty-one million, nine hundred seventy-four thousand, eight hundred sixty".