80875520 has 104 divisors (see below), whose sum is σ = 212310720. Its totient is φ = 29327360.

The previous prime is 80875517. The next prime is 80875523. The reversal of 80875520 is 2557808.

It is an interprime number because it is at equal distance from previous prime (80875517) and next prime (80875523).

It is not an unprimeable number, because it can be changed into a prime (80875523) 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, 225101 + ... + 225459.

Almost surely, 2^80875520 is an apocalyptic number.

80875520 is a gapful number since it is divisible by the number (80) 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 80875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106155360).

80875520 is an abundant number, since it is smaller than the sum of its proper divisors (131435200).

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

80875520 is a wasteful number, since it uses less digits than its factorization.

80875520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 80875520 is about 8993.0817854615. The cubic root of 80875520 is about 432.4531139658.

The spelling of 80875520 in words is "eighty million, eight hundred seventy-five thousand, five hundred twenty".