28023775607677 has 4 divisors (see below), whose sum is σ = 28049461929216. Its totient is φ = 27998089286140.

The previous prime is 28023775607627. The next prime is 28023775607731. The reversal of 28023775607677 is 77670657732082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28023775607677 - 2⁷ = 28023775607549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28023775607627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12843159133 + ... + 12843161314.

It is an arithmetic number, because the mean of its divisors is an integer number (7012365482304).

Almost surely, 2^{28023775607677} is an apocalyptic number.

It is an amenable number.

28023775607677 is a deficient number, since it is larger than the sum of its proper divisors (25686321539).

28023775607677 is a wasteful number, since it uses less digits than its factorization.

28023775607677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25686321538.

The product of its (nonzero) digits is 290424960, while the sum is 67.

The spelling of 28023775607677 in words is "twenty-eight trillion, twenty-three billion, seven hundred seventy-five million, six hundred seven thousand, six hundred seventy-seven".