28292564916 has 432 divisors, whose sum is σ = 96191222400. Its totient is φ = 6949877760.

The previous prime is 28292564863. The next prime is 28292564917. The reversal of 28292564916 is 61946529282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28292564917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 49033620 + ... + 49034196.

Almost surely, 2^28292564916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28292564916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48095611200).

28292564916 is an abundant number, since it is smaller than the sum of its proper divisors (67898657484).

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

28292564916 is a wasteful number, since it uses less digits than its factorization.

28292564916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 619 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 28292564916 in words is "twenty-eight billion, two hundred ninety-two million, five hundred sixty-four thousand, nine hundred sixteen".