880892161 has 2 divisors, whose sum is σ = 880892162. Its totient is φ = 880892160.

The previous prime is 880892141. The next prime is 880892167. The reversal of 880892161 is 161298088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865242225 + 15649936 = 29415^2 + 3956^2 .

It is a cyclic number.

It is not a de Polignac number, because 880892161 - 2¹⁵ = 880859393 is a prime.

It is a super-2 number, since 2×880892161² = 1551941998622499842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (880892167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440446080 + 440446081.

It is an arithmetic number, because the mean of its divisors is an integer number (440446081).

Almost surely, 2^880892161 is an apocalyptic number.

It is an amenable number.

880892161 is a deficient number, since it is larger than the sum of its proper divisors (1).

880892161 is an equidigital number, since it uses as much as digits as its factorization.

880892161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 880892161 is about 29679.8275096066. The cubic root of 880892161 is about 958.6077043025.

The spelling of 880892161 in words is "eight hundred eighty million, eight hundred ninety-two thousand, one hundred sixty-one".