78794111 has 6 divisors (see below), whose sum is σ = 86608536. Its totient is φ = 71630900.

The previous prime is 78794081. The next prime is 78794123. The reversal of 78794111 is 11149787.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-78794111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78797111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325475 + ... + 325716.

It is an arithmetic number, because the mean of its divisors is an integer number (14434756).

Almost surely, 2^78794111 is an apocalyptic number.

78794111 is a deficient number, since it is larger than the sum of its proper divisors (7814425).

78794111 is a wasteful number, since it uses less digits than its factorization.

78794111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651213 (or 651202 counting only the distinct ones).

The product of its digits is 14112, while the sum is 38.

The square root of 78794111 is about 8876.6046999965. The cubic root of 78794111 is about 428.7109602444.

The spelling of 78794111 in words is "seventy-eight million, seven hundred ninety-four thousand, one hundred eleven".