280807483 has 36 divisors (see below), whose sum is σ = 333618264. Its totient is φ = 235998400.

The previous prime is 280807477. The next prime is 280807489. The reversal of 280807483 is 384708082.

It is an interprime number because it is at equal distance from previous prime (280807477) and next prime (280807489).

It is not a de Polignac number, because 280807483 - 2²⁵ = 247253051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280807489) 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, 2624316 + ... + 2624422.

It is an arithmetic number, because the mean of its divisors is an integer number (9267174).

Almost surely, 2^280807483 is an apocalyptic number.

280807483 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

280807483 is a deficient number, since it is larger than the sum of its proper divisors (52810781).

280807483 is a wasteful number, since it uses less digits than its factorization.

280807483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 280807483 is about 16757.3113296853. The cubic root of 280807483 is about 654.8415466603.

The spelling of 280807483 in words is "two hundred eighty million, eight hundred seven thousand, four hundred eighty-three".