786970992 has 80 divisors (see below), whose sum is σ = 2064153600. Its totient is φ = 258336000.

The previous prime is 786970981. The next prime is 786971011. The reversal of 786970992 is 299079687.

786970992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313509 + ... + 1314107.

It is an arithmetic number, because the mean of its divisors is an integer number (25801920).

Almost surely, 2^786970992 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 786970992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032076800).

786970992 is an abundant number, since it is smaller than the sum of its proper divisors (1277182608).

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

786970992 is a wasteful number, since it uses less digits than its factorization.

786970992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 786970992 is about 28053.0032616831. The cubic root of 786970992 is about 923.2505495020.

The spelling of 786970992 in words is "seven hundred eighty-six million, nine hundred seventy thousand, nine hundred ninety-two".