77234769222 has 32 divisors (see below), whose sum is σ = 166362934752. Its totient is φ = 23762955264.

The previous prime is 77234769217. The next prime is 77234769259. The reversal of 77234769222 is 22296743277.

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 15 ways as a sum of consecutive naturals, for example, 1758028 + ... + 1801424.

It is an arithmetic number, because the mean of its divisors is an integer number (5198841711).

Almost surely, 2^77234769222 is an apocalyptic number.

77234769222 is an abundant number, since it is smaller than the sum of its proper divisors (89128165530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77234769222 is a wasteful number, since it uses less digits than its factorization.

77234769222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66232.

The product of its digits is 3556224, while the sum is 51.

The spelling of 77234769222 in words is "seventy-seven billion, two hundred thirty-four million, seven hundred sixty-nine thousand, two hundred twenty-two".