28110607464 has 64 divisors (see below), whose sum is σ = 74057932800. Its totient is φ = 8867116224.

The previous prime is 28110607463. The next prime is 28110607477. The reversal of 28110607464 is 46470601182.

It is a super-2 number, since 2×28110607464² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28110607463) 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, 379609 + ... + 447575.

It is an arithmetic number, because the mean of its divisors is an integer number (1157155200).

Almost surely, 2^28110607464 is an apocalyptic number.

28110607464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28110607464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37028966400).

28110607464 is an abundant number, since it is smaller than the sum of its proper divisors (45947325336).

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

28110607464 is a wasteful number, since it uses less digits than its factorization.

28110607464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68902 (or 68898 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 28110607464 in words is "twenty-eight billion, one hundred ten million, six hundred seven thousand, four hundred sixty-four".