78773828246 has 8 divisors (see below), whose sum is σ = 118228152504. Its totient is φ = 39364444080.

The previous prime is 78773828197. The next prime is 78773828257. The reversal of 78773828246 is 64282837787.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11230640 + ... + 11237651.

It is an arithmetic number, because the mean of its divisors is an integer number (14778519063).

Almost surely, 2^78773828246 is an apocalyptic number.

78773828246 is a deficient number, since it is larger than the sum of its proper divisors (39454324258).

78773828246 is a wasteful number, since it uses less digits than its factorization.

78773828246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22470046.

The product of its digits is 50577408, while the sum is 62.

The spelling of 78773828246 in words is "seventy-eight billion, seven hundred seventy-three million, eight hundred twenty-eight thousand, two hundred forty-six".