280325328075 has 36 divisors (see below), whose sum is σ = 540716416240. Its totient is φ = 138006313920.

The previous prime is 280325328071. The next prime is 280325328079. The reversal of 280325328075 is 570823523082.

280325328075 is a `hidden beast` number, since 2 + 8 + 0 + 32 + 532 + 80 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (280325328071) and next prime (280325328079).

It is not a de Polignac number, because 280325328075 - 2² = 280325328071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 280325328075.

It is not an unprimeable number, because it can be changed into a prime (280325328071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47915935 + ... + 47921784.

Almost surely, 2^280325328075 is an apocalyptic number.

280325328075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

280325328075 is a deficient number, since it is larger than the sum of its proper divisors (260391088165).

280325328075 is a wasteful number, since it uses less digits than its factorization.

280325328075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95837748 (or 95837740 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

It can be divided in two parts, 280325 and 328075, that added together give a square (608400 = 780²).

The spelling of 280325328075 in words is "two hundred eighty billion, three hundred twenty-five million, three hundred twenty-eight thousand, seventy-five".