28692230277 has 8 divisors (see below), whose sum is σ = 40269796960. Its totient is φ = 18121408560.

The previous prime is 28692230257. The next prime is 28692230293. The reversal of 28692230277 is 77203229682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28692230277 - 2¹⁸ = 28691968133 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 (28692230207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251686174 + ... + 251686287.

It is an arithmetic number, because the mean of its divisors is an integer number (5033724620).

Almost surely, 2^28692230277 is an apocalyptic number.

It is an amenable number.

28692230277 is a deficient number, since it is larger than the sum of its proper divisors (11577566683).

28692230277 is a wasteful number, since it uses less digits than its factorization.

28692230277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503372483.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 28692230277 in words is "twenty-eight billion, six hundred ninety-two million, two hundred thirty thousand, two hundred seventy-seven".