78794292 has 48 divisors (see below), whose sum is σ = 198273600. Its totient is φ = 24272640.

The previous prime is 78794267. The next prime is 78794293. The reversal of 78794292 is 29249787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78794293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5134 + ... + 13562.

It is an arithmetic number, because the mean of its divisors is an integer number (4130700).

Almost surely, 2^78794292 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 78794292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99136800).

78794292 is an abundant number, since it is smaller than the sum of its proper divisors (119479308).

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

78794292 is a wasteful number, since it uses less digits than its factorization.

78794292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496 (or 8494 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 78794292 is about 8876.6148953303. The cubic root of 78794292 is about 428.7112885119.

The spelling of 78794292 in words is "seventy-eight million, seven hundred ninety-four thousand, two hundred ninety-two".