78678360 has 48 divisors (see below), whose sum is σ = 255705840. Its totient is φ = 20980800.

The previous prime is 78678343. The next prime is 78678367. The reversal of 78678360 is 6387687.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78678367) 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, 108916 + ... + 109635.

It is an arithmetic number, because the mean of its divisors is an integer number (5327205).

Almost surely, 2^78678360 is an apocalyptic number.

It is an amenable number.

78678360 is an abundant number, since it is smaller than the sum of its proper divisors (177027480).

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

78678360 is a wasteful number, since it uses less digits than its factorization.

78678360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218568 (or 218561 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 78678360 is about 8870.0822995055. The cubic root of 78678360 is about 428.5009274506.

The spelling of 78678360 in words is "seventy-eight million, six hundred seventy-eight thousand, three hundred sixty".