786472764 has 144 divisors (see below), whose sum is σ = 2393207040. Its totient is φ = 195275520.

The previous prime is 786472723. The next prime is 786472781. The reversal of 786472764 is 467274687.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 487992 + ... + 489600.

Almost surely, 2^786472764 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 786472764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196603520).

786472764 is an abundant number, since it is smaller than the sum of its proper divisors (1606734276).

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

786472764 is a wasteful number, since it uses less digits than its factorization.

786472764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1655 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 51.

The square root of 786472764 is about 28044.1217370058. The cubic root of 786472764 is about 923.0556730343.

The spelling of 786472764 in words is "seven hundred eighty-six million, four hundred seventy-two thousand, seven hundred sixty-four".