78794299 has 4 divisors (see below), whose sum is σ = 78812640. Its totient is φ = 78775960.

The previous prime is 78794293. The next prime is 78794321. The reversal of 78794299 is 99249787.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78794299 - 2⁵ = 78794267 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 1134 + ... + 12604.

It is an arithmetic number, because the mean of its divisors is an integer number (19703160).

Almost surely, 2^78794299 is an apocalyptic number.

78794299 is a deficient number, since it is larger than the sum of its proper divisors (18341).

78794299 is a wasteful number, since it uses less digits than its factorization.

78794299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18340.

The product of its digits is 2286144, while the sum is 55.

The square root of 78794299 is about 8876.6152896248. The cubic root of 78794299 is about 428.7113012073.

The spelling of 78794299 in words is "seventy-eight million, seven hundred ninety-four thousand, two hundred ninety-nine".