77814368222 has 8 divisors (see below), whose sum is σ = 116890471272. Its totient is φ = 38850877800.

The previous prime is 77814368173. The next prime is 77814368257. The reversal of 77814368222 is 22286341877.

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, 28151429 + ... + 28154192.

It is an arithmetic number, because the mean of its divisors is an integer number (14611308909).

Almost surely, 2^77814368222 is an apocalyptic number.

77814368222 is a deficient number, since it is larger than the sum of its proper divisors (39076103050).

77814368222 is a wasteful number, since it uses less digits than its factorization.

77814368222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56306314.

The product of its digits is 1806336, while the sum is 50.

The spelling of 77814368222 in words is "seventy-seven billion, eight hundred fourteen million, three hundred sixty-eight thousand, two hundred twenty-two".