28029748296 has 32 divisors (see below), whose sum is σ = 76444768800. Its totient is φ = 8493863040.

The previous prime is 28029748259. The next prime is 28029748297. The reversal of 28029748296 is 69284792082.

It is a super-2 number, since 2×28029748296² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28029748297) 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, 53086381 + ... + 53086908.

It is an arithmetic number, because the mean of its divisors is an integer number (2388899025).

Almost surely, 2^28029748296 is an apocalyptic number.

It is an amenable number.

28029748296 is an abundant number, since it is smaller than the sum of its proper divisors (48415020504).

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

28029748296 is a wasteful number, since it uses less digits than its factorization.

28029748296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106173309 (or 106173305 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 28029748296 in words is "twenty-eight billion, twenty-nine million, seven hundred forty-eight thousand, two hundred ninety-six".