28287734051 has 8 divisors (see below), whose sum is σ = 28333331520. Its totient is φ = 28242165888.

The previous prime is 28287734047. The next prime is 28287734089. The reversal of 28287734051 is 15043778282.

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

It is a cyclic number.

It is not a de Polignac number, because 28287734051 - 2² = 28287734047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28287733987 and 28287734005.

It is not an unprimeable number, because it can be changed into a prime (28287734551) 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, 2661590 + ... + 2672196.

It is an arithmetic number, because the mean of its divisors is an integer number (3541666440).

Almost surely, 2^28287734051 is an apocalyptic number.

28287734051 is a deficient number, since it is larger than the sum of its proper divisors (45597469).

28287734051 is a wasteful number, since it uses less digits than its factorization.

28287734051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14653.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 28287734051 in words is "twenty-eight billion, two hundred eighty-seven million, seven hundred thirty-four thousand, fifty-one".