78049794 has 8 divisors (see below), whose sum is σ = 156099600. Its totient is φ = 26016596.

The previous prime is 78049757. The next prime is 78049801. The reversal of 78049794 is 49794087.

It is a happy number.

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

78049794 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6504144 + ... + 6504155.

It is an arithmetic number, because the mean of its divisors is an integer number (19512450).

Almost surely, 2^78049794 is an apocalyptic number.

78049794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78049794 is a wasteful number, since it uses less digits than its factorization.

78049794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13008304.

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

The square root of 78049794 is about 8834.5794466969. The cubic root of 78049794 is about 427.3567688150.

The spelling of 78049794 in words is "seventy-eight million, forty-nine thousand, seven hundred ninety-four".