880721263 has 2 divisors, whose sum is σ = 880721264. Its totient is φ = 880721262.

The previous prime is 880721239. The next prime is 880721279. The reversal of 880721263 is 362127088.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-880721263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880728263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440360631 + 440360632.

It is an arithmetic number, because the mean of its divisors is an integer number (440360632).

Almost surely, 2^880721263 is an apocalyptic number.

880721263 is a deficient number, since it is larger than the sum of its proper divisors (1).

880721263 is an equidigital number, since it uses as much as digits as its factorization.

880721263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 880721263 is about 29676.9483437903. The cubic root of 880721263 is about 958.5457085433.

The spelling of 880721263 in words is "eight hundred eighty million, seven hundred twenty-one thousand, two hundred sixty-three".