28696757760 has 800 divisors, whose sum is σ = 117215569152. Its totient is φ = 6642155520.

The previous prime is 28696757743. The next prime is 28696757773. The reversal of 28696757760 is 6775769682.

It is a super-2 number, since 2×28696757760² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 52461807 + ... + 52462353.

Almost surely, 2^28696757760 is an apocalyptic number.

28696757760 is a gapful number since it is divisible by the number (20) 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 28696757760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58607784576).

28696757760 is an abundant number, since it is smaller than the sum of its proper divisors (88518811392).

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

28696757760 is a wasteful number, since it uses less digits than its factorization.

28696757760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 28696757760 in words is "twenty-eight billion, six hundred ninety-six million, seven hundred fifty-seven thousand, seven hundred sixty".