78694960 has 80 divisors (see below), whose sum is σ = 201058560. Its totient is φ = 28512000.

The previous prime is 78694939. The next prime is 78695003. The reversal of 78694960 is 6949687.

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

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, 33835 + ... + 36085.

It is an arithmetic number, because the mean of its divisors is an integer number (2513232).

Almost surely, 2^78694960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78694960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100529280).

78694960 is an abundant number, since it is smaller than the sum of its proper divisors (122363600).

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

78694960 is a wasteful number, since it uses less digits than its factorization.

78694960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 78694960 is about 8871.0179799164. The cubic root of 78694960 is about 428.5310611714.

The spelling of 78694960 in words is "seventy-eight million, six hundred ninety-four thousand, nine hundred sixty".