78903360 has 84 divisors (see below), whose sum is σ = 271404588. Its totient is φ = 21040128.

The previous prime is 78903347. The next prime is 78903361. The reversal of 78903360 is 6330987.

It can be written as a sum of positive squares in 2 ways, for example, as 42614784 + 36288576 = 6528^2 + 6024^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (78903361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10819 + ... + 16578.

It is an arithmetic number, because the mean of its divisors is an integer number (3231007).

Almost surely, 2^78903360 is an apocalyptic number.

It is an amenable number.

78903360 is an abundant number, since it is smaller than the sum of its proper divisors (192501228).

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

78903360 is a wasteful number, since it uses less digits than its factorization.

78903360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27420 (or 27407 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 78903360 is about 8882.7563289781. The cubic root of 78903360 is about 428.9090064073.

The spelling of 78903360 in words is "seventy-eight million, nine hundred three thousand, three hundred sixty".