787878072 has 48 divisors (see below), whose sum is σ = 2174108040. Its totient is φ = 257669568.

The previous prime is 787878059. The next prime is 787878097. The reversal of 787878072 is 270878787.

It is a happy number.

787878072 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 11 ways as a sum of consecutive naturals, for example, 99418 + ... + 107049.

Almost surely, 2^787878072 is an apocalyptic number.

787878072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

787878072 is an abundant number, since it is smaller than the sum of its proper divisors (1386229968).

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

787878072 is a wasteful number, since it uses less digits than its factorization.

787878072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206532 (or 206525 counting only the distinct ones).

The product of its (nonzero) digits is 2458624, while the sum is 54.

The square root of 787878072 is about 28069.1658586428. The cubic root of 787878072 is about 923.6051329042.

The spelling of 787878072 in words is "seven hundred eighty-seven million, eight hundred seventy-eight thousand, seventy-two".