77323223105444 has 12 divisors (see below), whose sum is σ = 135321153118704. Its totient is φ = 38660036500104.

The previous prime is 77323223105423. The next prime is 77323223105483. The reversal of 77323223105444 is 44450132232377.

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, 393652694 + ... + 393849069.

It is an arithmetic number, because the mean of its divisors is an integer number (11276762759892).

Almost surely, 2^{77323223105444} is an apocalyptic number.

It is an amenable number.

77323223105444 is a deficient number, since it is larger than the sum of its proper divisors (57997930013260).

77323223105444 is a wasteful number, since it uses less digits than its factorization.

77323223105444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787526314 (or 787526312 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 47.

The spelling of 77323223105444 in words is "seventy-seven trillion, three hundred twenty-three billion, two hundred twenty-three million, one hundred five thousand, four hundred forty-four".