28373758941663 has 48 divisors (see below), whose sum is σ = 42432318845280. Its totient is φ = 18248607514368.

The previous prime is 28373758941607. The next prime is 28373758941707. The reversal of 28373758941663 is 36614985737382.

28373758941663 is a `hidden beast` number, since 2 + 8 + 3 + 7 + 3 + 75 + 89 + 416 + 63 = 666.

It is not a de Polignac number, because 28373758941663 - 2³² = 28369463974367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28373758941591 and 28373758941600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28373758741663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1868284956 + ... + 1868300142.

It is an arithmetic number, because the mean of its divisors is an integer number (884006642610).

Almost surely, 2^{28373758941663} is an apocalyptic number.

28373758941663 is a deficient number, since it is larger than the sum of its proper divisors (14058559903617).

28373758941663 is a wasteful number, since it uses less digits than its factorization.

28373758941663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20616 (or 20613 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 72.

The spelling of 28373758941663 in words is "twenty-eight trillion, three hundred seventy-three billion, seven hundred fifty-eight million, nine hundred forty-one thousand, six hundred sixty-three".