78783152 has 40 divisors (see below), whose sum is σ = 180083712. Its totient is φ = 32673600.

The previous prime is 78783149. The next prime is 78783157. The reversal of 78783152 is 25138787.

It is not an unprimeable number, because it can be changed into a prime (78783157) 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, 7874 + ... + 14817.

Almost surely, 2^78783152 is an apocalyptic number.

It is an amenable number.

78783152 is an abundant number, since it is smaller than the sum of its proper divisors (101300560).

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

78783152 is a wasteful number, since it uses less digits than its factorization.

78783152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22737 (or 22731 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 78783152 is about 8875.9873816945. The cubic root of 78783152 is about 428.6910837114.

The spelling of 78783152 in words is "seventy-eight million, seven hundred eighty-three thousand, one hundred fifty-two".