880486861 has 4 divisors (see below), whose sum is σ = 899220672. Its totient is φ = 861753052.

The previous prime is 880486853. The next prime is 880486903. The reversal of 880486861 is 168684088.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 880486861 - 2³ = 880486853 is a prime.

It is a super-2 number, since 2×880486861² = 1550514224787266642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880489861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9366835 + ... + 9366928.

It is an arithmetic number, because the mean of its divisors is an integer number (224805168).

Almost surely, 2^880486861 is an apocalyptic number.

It is an amenable number.

880486861 is a deficient number, since it is larger than the sum of its proper divisors (18733811).

880486861 is a wasteful number, since it uses less digits than its factorization.

880486861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18733810.

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 880486861 is about 29672.9988541772. The cubic root of 880486861 is about 958.4606627304.

The spelling of 880486861 in words is "eight hundred eighty million, four hundred eighty-six thousand, eight hundred sixty-one".