77072000312222 has 64 divisors (see below), whose sum is σ = 122668253798400. Its totient is φ = 36243807832320.

The previous prime is 77072000312189. The next prime is 77072000312239. The reversal of 77072000312222 is 22221300027077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2711020304 + ... + 2711048732.

It is an arithmetic number, because the mean of its divisors is an integer number (1916691465600).

Almost surely, 2^{77072000312222} is an apocalyptic number.

77072000312222 is a deficient number, since it is larger than the sum of its proper divisors (45596253486178).

77072000312222 is a wasteful number, since it uses less digits than its factorization.

77072000312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32201.

The product of its (nonzero) digits is 32928, while the sum is 35.

Adding to 77072000312222 its reverse (22221300027077), we get a palindrome (99293300339299).

The spelling of 77072000312222 in words is "seventy-seven trillion, seventy-two billion, three hundred twelve thousand, two hundred twenty-two".