28810013736 has 48 divisors (see below), whose sum is σ = 83784227040. Its totient is φ = 8231432160.

The previous prime is 28810013723. The next prime is 28810013737. The reversal of 28810013736 is 63731001882.

It is a junction number, because it is equal to n+sod(n) for n = 28810013694 and 28810013703.

It is not an unprimeable number, because it can be changed into a prime (28810013737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12247980 + ... + 12250331.

It is an arithmetic number, because the mean of its divisors is an integer number (1745504730).

Almost surely, 2^28810013736 is an apocalyptic number.

It is an amenable number.

28810013736 is an abundant number, since it is smaller than the sum of its proper divisors (54974213304).

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

28810013736 is a wasteful number, since it uses less digits than its factorization.

28810013736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24498334 (or 24498323 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 28810013736 in words is "twenty-eight billion, eight hundred ten million, thirteen thousand, seven hundred thirty-six".