78094094990 has 8 divisors (see below), whose sum is σ = 140569371000. Its totient is φ = 31237637992.

The previous prime is 78094094977. The next prime is 78094095019. The reversal of 78094094990 is 9949049087.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3904704740 + ... + 3904704759.

It is an arithmetic number, because the mean of its divisors is an integer number (17571171375).

Almost surely, 2^78094094990 is an apocalyptic number.

78094094990 is a deficient number, since it is larger than the sum of its proper divisors (62475276010).

78094094990 is a wasteful number, since it uses less digits than its factorization.

78094094990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809409506.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 78094094990 in words is "seventy-eight billion, ninety-four million, ninety-four thousand, nine hundred ninety".