28110772363 has 4 divisors (see below), whose sum is σ = 28115642440. Its totient is φ = 28105902288.

The previous prime is 28110772357. The next prime is 28110772381. The reversal of 28110772363 is 36327701182.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28110772363 - 2⁹ = 28110771851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28110722363) 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, 2426370 + ... + 2437927.

It is an arithmetic number, because the mean of its divisors is an integer number (7028910610).

Almost surely, 2^28110772363 is an apocalyptic number.

28110772363 is a deficient number, since it is larger than the sum of its proper divisors (4870077).

28110772363 is an equidigital number, since it uses as much as digits as its factorization.

28110772363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870076.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 28110772363 in words is "twenty-eight billion, one hundred ten million, seven hundred seventy-two thousand, three hundred sixty-three".