78422104 has 16 divisors (see below), whose sum is σ = 147139200. Its totient is φ = 39184992.

The previous prime is 78422087. The next prime is 78422107. The reversal of 78422104 is 40122487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78422107) 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, 16777 + ... + 20935.

It is an arithmetic number, because the mean of its divisors is an integer number (9196200).

Almost surely, 2^78422104 is an apocalyptic number.

It is an amenable number.

78422104 is a deficient number, since it is larger than the sum of its proper divisors (68717096).

78422104 is a wasteful number, since it uses less digits than its factorization.

78422104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522 (or 6518 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 78422104 is about 8855.6255566730. The cubic root of 78422104 is about 428.0352112412.

The spelling of 78422104 in words is "seventy-eight million, four hundred twenty-two thousand, one hundred four".