78794493 has 8 divisors (see below), whose sum is σ = 106781856. Its totient is φ = 51668400.

The previous prime is 78794461. The next prime is 78794519. The reversal of 78794493 is 39449787.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78794493 - 2⁵ = 78794461 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 215103 + ... + 215468.

It is an arithmetic number, because the mean of its divisors is an integer number (13347732).

Almost surely, 2^78794493 is an apocalyptic number.

It is an amenable number.

78794493 is a deficient number, since it is larger than the sum of its proper divisors (27987363).

78794493 is a wasteful number, since it uses less digits than its factorization.

78794493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430635.

The product of its digits is 1524096, while the sum is 51.

The square root of 78794493 is about 8876.6262172066. The cubic root of 78794493 is about 428.7116530514.

The spelling of 78794493 in words is "seventy-eight million, seven hundred ninety-four thousand, four hundred ninety-three".