787013872 has 40 divisors (see below), whose sum is σ = 1561525056. Its totient is φ = 384086016.

The previous prime is 787013869. The next prime is 787013873. The reversal of 787013872 is 278310787.

787013872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787013873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324408 + ... + 326824.

Almost surely, 2^787013872 is an apocalyptic number.

It is an amenable number.

787013872 is a deficient number, since it is larger than the sum of its proper divisors (774511184).

787013872 is a wasteful number, since it uses less digits than its factorization.

787013872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 787013872 is about 28053.7675188200. The cubic root of 787013872 is about 923.2673177036.

The spelling of 787013872 in words is "seven hundred eighty-seven million, thirteen thousand, eight hundred seventy-two".