880697681 has 2 divisors, whose sum is σ = 880697682. Its totient is φ = 880697680.

The previous prime is 880697651. The next prime is 880697707. The reversal of 880697681 is 186796088.

880697681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 879715600 + 982081 = 29660^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 880697681 - 2¹⁴ = 880681297 is a prime.

It is a super-2 number, since 2×880697681² = 1551256810637555522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (880697611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440348840 + 440348841.

It is an arithmetic number, because the mean of its divisors is an integer number (440348841).

Almost surely, 2^880697681 is an apocalyptic number.

It is an amenable number.

880697681 is a deficient number, since it is larger than the sum of its proper divisors (1).

880697681 is an equidigital number, since it uses as much as digits as its factorization.

880697681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 880697681 is about 29676.5510293902. The cubic root of 880697681 is about 958.5371531968.

The spelling of 880697681 in words is "eight hundred eighty million, six hundred ninety-seven thousand, six hundred eighty-one".