78807332 has 24 divisors (see below), whose sum is σ = 143431680. Its totient is φ = 37846080.

The previous prime is 78807283. The next prime is 78807349. The reversal of 78807332 is 23370887.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14669 + ... + 19307.

It is an arithmetic number, because the mean of its divisors is an integer number (5976320).

Almost surely, 2^78807332 is an apocalyptic number.

It is an amenable number.

78807332 is a deficient number, since it is larger than the sum of its proper divisors (64624348).

78807332 is a wasteful number, since it uses less digits than its factorization.

78807332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 78807332 is about 8877.3493791784. The cubic root of 78807332 is about 428.7349369543.

The spelling of 78807332 in words is "seventy-eight million, eight hundred seven thousand, three hundred thirty-two".