28460892277 has 4 divisors (see below), whose sum is σ = 29698322400. Its totient is φ = 27223462156.

The previous prime is 28460892191. The next prime is 28460892283. The reversal of 28460892277 is 77229806482.

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 28460892277 - 2¹⁵ = 28460859509 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 (28460892287) 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, 618715027 + ... + 618715072.

It is an arithmetic number, because the mean of its divisors is an integer number (7424580600).

Almost surely, 2^28460892277 is an apocalyptic number.

It is an amenable number.

28460892277 is a deficient number, since it is larger than the sum of its proper divisors (1237430123).

28460892277 is a wasteful number, since it uses less digits than its factorization.

28460892277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237430122.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 28460892277 in words is "twenty-eight billion, four hundred sixty million, eight hundred ninety-two thousand, two hundred seventy-seven".