28682563294 has 16 divisors (see below), whose sum is σ = 53640118656. Its totient is φ = 11175024600.

The previous prime is 28682563291. The next prime is 28682563297. The reversal of 28682563294 is 49236528682.

It is an interprime number because it is at equal distance from previous prime (28682563291) and next prime (28682563297).

It is a super-2 number, since 2×28682563294² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682563291) 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, 93125052 + ... + 93125359.

It is an arithmetic number, because the mean of its divisors is an integer number (3352507416).

Almost surely, 2^28682563294 is an apocalyptic number.

28682563294 is a deficient number, since it is larger than the sum of its proper divisors (24957555362).

28682563294 is a wasteful number, since it uses less digits than its factorization.

28682563294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186250431.

The product of its digits is 9953280, while the sum is 55.

The spelling of 28682563294 in words is "twenty-eight billion, six hundred eighty-two million, five hundred sixty-three thousand, two hundred ninety-four".