280130793 has 16 divisors (see below), whose sum is σ = 380635200. Its totient is φ = 183223040.

The previous prime is 280130717. The next prime is 280130797. The reversal of 280130793 is 397031082.

It is a cyclic number.

It is not a de Polignac number, because 280130793 - 2¹⁴ = 280114409 is a prime.

It is a super-2 number, since 2×280130793² = 156946522373617698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (280130797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30973 + ... + 38981.

It is an arithmetic number, because the mean of its divisors is an integer number (23789700).

Almost surely, 2^280130793 is an apocalyptic number.

It is an amenable number.

280130793 is a deficient number, since it is larger than the sum of its proper divisors (100504407).

280130793 is a wasteful number, since it uses less digits than its factorization.

280130793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 280130793 is about 16737.1082627794. The cubic root of 280130793 is about 654.3151110799.

The spelling of 280130793 in words is "two hundred eighty million, one hundred thirty thousand, seven hundred ninety-three".