880289945 has 4 divisors (see below), whose sum is σ = 1056347940. Its totient is φ = 704231952.

The previous prime is 880289941. The next prime is 880289951. The reversal of 880289945 is 549982088.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 638269696 + 242020249 = 25264^2 + 15557^2 .

It is a cyclic number.

It is not a de Polignac number, because 880289945 - 2² = 880289941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (880289941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88028990 + ... + 88028999.

It is an arithmetic number, because the mean of its divisors is an integer number (264086985).

Almost surely, 2^880289945 is an apocalyptic number.

It is an amenable number.

880289945 is a deficient number, since it is larger than the sum of its proper divisors (176057995).

880289945 is a wasteful number, since it uses less digits than its factorization.

880289945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176057994.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 880289945 is about 29669.6805678794. The cubic root of 880289945 is about 958.3892059338.

The spelling of 880289945 in words is "eight hundred eighty million, two hundred eighty-nine thousand, nine hundred forty-five".