28828591736 has 64 divisors (see below), whose sum is σ = 66203758080. Its totient is φ = 11498509440.

The previous prime is 28828591733. The next prime is 28828591739. The reversal of 28828591736 is 63719582882.

It is an interprime number because it is at equal distance from previous prime (28828591733) and next prime (28828591739).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28828591733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254810 + ... + 350121.

It is an arithmetic number, because the mean of its divisors is an integer number (1034433720).

Almost surely, 2^28828591736 is an apocalyptic number.

It is an amenable number.

28828591736 is an abundant number, since it is smaller than the sum of its proper divisors (37375166344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28828591736 is a wasteful number, since it uses less digits than its factorization.

28828591736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605004 (or 605000 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The spelling of 28828591736 in words is "twenty-eight billion, eight hundred twenty-eight million, five hundred ninety-one thousand, seven hundred thirty-six".