78798160 has 80 divisors (see below), whose sum is σ = 215093376. Its totient is φ = 26279424.

The previous prime is 78798151. The next prime is 78798173. The reversal of 78798160 is 6189787.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 78798160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18819 + ... + 22621.

Almost surely, 2^78798160 is an apocalyptic number.

78798160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78798160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107546688).

78798160 is an abundant number, since it is smaller than the sum of its proper divisors (136295216).

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

78798160 is a wasteful number, since it uses less digits than its factorization.

78798160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 78798160 is about 8876.8327685048. The cubic root of 78798160 is about 428.7183035214.

The spelling of 78798160 in words is "seventy-eight million, seven hundred ninety-eight thousand, one hundred sixty".