28414368677 has 4 divisors (see below), whose sum is σ = 28602543456. Its totient is φ = 28226193900.

The previous prime is 28414368607. The next prime is 28414368737. The reversal of 28414368677 is 77686341482.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77686341482 = 2 ⋅38843170741.

It is a cyclic number.

It is not a de Polignac number, because 28414368677 - 2⁸ = 28414368421 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 (28414368607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94087163 + ... + 94087464.

It is an arithmetic number, because the mean of its divisors is an integer number (7150635864).

Almost surely, 2^28414368677 is an apocalyptic number.

It is an amenable number.

28414368677 is a deficient number, since it is larger than the sum of its proper divisors (188174779).

28414368677 is a wasteful number, since it uses less digits than its factorization.

28414368677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188174778.

The product of its digits is 10838016, while the sum is 56.

The spelling of 28414368677 in words is "twenty-eight billion, four hundred fourteen million, three hundred sixty-eight thousand, six hundred seventy-seven".