28765262000 has 80 divisors (see below), whose sum is σ = 69981910752. Its totient is φ = 11435385600.

The previous prime is 28765261991. The next prime is 28765262017. The reversal of 28765262000 is 26256782.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281882 + ... + 370118.

Almost surely, 2^28765262000 is an apocalyptic number.

28765262000 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 28765262000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34990955376).

28765262000 is an abundant number, since it is smaller than the sum of its proper divisors (41216648752).

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

28765262000 is a wasteful number, since it uses less digits than its factorization.

28765262000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88423 (or 88407 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 28765262000 in words is "twenty-eight billion, seven hundred sixty-five million, two hundred sixty-two thousand".