77331604222 has 8 divisors (see below), whose sum is σ = 117123595056. Its totient is φ = 38290405872.

The previous prime is 77331604193. The next prime is 77331604223. The reversal of 77331604222 is 22240613377.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77331604223) 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, 187697863 + ... + 187698274.

It is an arithmetic number, because the mean of its divisors is an integer number (14640449382).

Almost surely, 2^77331604222 is an apocalyptic number.

77331604222 is a deficient number, since it is larger than the sum of its proper divisors (39791990834).

77331604222 is a wasteful number, since it uses less digits than its factorization.

77331604222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375396242.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 77331604222 in words is "seventy-seven billion, three hundred thirty-one million, six hundred four thousand, two hundred twenty-two".