77009394022 has 8 divisors (see below), whose sum is σ = 126015372072. Its totient is φ = 35004270000.

The previous prime is 77009394017. The next prime is 77009394071. The reversal of 77009394022 is 22049390077.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 77009394022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750213479 + ... + 1750213522.

It is an arithmetic number, because the mean of its divisors is an integer number (15751921509).

Almost surely, 2^77009394022 is an apocalyptic number.

77009394022 is a deficient number, since it is larger than the sum of its proper divisors (49005978050).

77009394022 is a wasteful number, since it uses less digits than its factorization.

77009394022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500427014.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 77009394022 in words is "seventy-seven billion, nine million, three hundred ninety-four thousand, twenty-two".