8275128080 has 40 divisors (see below), whose sum is σ = 20371421592. Its totient is φ = 3115341824.

The previous prime is 8275128079. The next prime is 8275128133. The reversal of 8275128080 is 808215728.

It can be written as a sum of positive squares in 4 ways, for example, as 2694440464 + 5580687616 = 51908^2 + 74704^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3040967 + ... + 3043686.

Almost surely, 2^8275128080 is an apocalyptic number.

8275128080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8275128080 is an abundant number, since it is smaller than the sum of its proper divisors (12096293512).

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

8275128080 is a wasteful number, since it uses less digits than its factorization.

8275128080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084683 (or 6084677 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 8275128080 is about 90967.7309819257. The cubic root of 8275128080 is about 2022.6694179230.

The spelling of 8275128080 in words is "eight billion, two hundred seventy-five million, one hundred twenty-eight thousand, eighty".