18077632754428 has 48 divisors (see below), whose sum is σ = 34267064799744. Its totient is φ = 8295160642560.

The previous prime is 18077632754417. The next prime is 18077632754471. The reversal of 18077632754428 is 82445723677081.

It is a happy number.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18077632754428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17137026 + ... + 18161302.

It is an arithmetic number, because the mean of its divisors is an integer number (713897183328).

Almost surely, 2^{18077632754428} is an apocalyptic number.

It is an amenable number.

18077632754428 is a deficient number, since it is larger than the sum of its proper divisors (16189432045316).

18077632754428 is a wasteful number, since it uses less digits than its factorization.

18077632754428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026262 (or 1026260 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 64.

The spelling of 18077632754428 in words is "eighteen trillion, seventy-seven billion, six hundred thirty-two million, seven hundred fifty-four thousand, four hundred twenty-eight".