77662922499 has 16 divisors (see below), whose sum is σ = 116773440640. Its totient is φ = 51002515080.

The previous prime is 77662922473. The next prime is 77662922521. The reversal of 77662922499 is 99422926677.

It is not a de Polignac number, because 77662922499 - 2¹⁹ = 77662398211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77662922419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21463897 + ... + 21467514.

It is an arithmetic number, because the mean of its divisors is an integer number (7298340040).

Almost surely, 2^77662922499 is an apocalyptic number.

77662922499 is a deficient number, since it is larger than the sum of its proper divisors (39110518141).

77662922499 is a wasteful number, since it uses less digits than its factorization.

77662922499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42931487 (or 42931481 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 77662922499 in words is "seventy-seven billion, six hundred sixty-two million, nine hundred twenty-two thousand, four hundred ninety-nine".