28710690000 has 200 divisors, whose sum is σ = 93005103840. Its totient is φ = 7629504000.

The previous prime is 28710689999. The next prime is 28710690007. The reversal of 28710690000 is 9601782.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×28710690000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28710690007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9508491 + ... + 9511509.

Almost surely, 2^28710690000 is an apocalyptic number.

28710690000 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 28710690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46502551920).

28710690000 is an abundant number, since it is smaller than the sum of its proper divisors (64294413840).

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

28710690000 is a wasteful number, since it uses less digits than its factorization.

28710690000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367 (or 3346 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 28710690000 in words is "twenty-eight billion, seven hundred ten million, six hundred ninety thousand".