880066445 has 6 divisors (see below), whose sum is σ = 1056159342. Its totient is φ = 704000088.

The previous prime is 880066433. The next prime is 880066477. The reversal of 880066445 is 544660088.

It can be written as a sum of positive squares in only one way, i.e., 704053156 + 176013289 = 26534^2 + 13267^2 .

It is not a de Polignac number, because 880066445 - 2¹⁰ = 880065421 is a prime.

It is a super-2 number, since 2×880066445² = 1549033895229876050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59702 + ... + 72968.

It is an arithmetic number, because the mean of its divisors is an integer number (176026557).

Almost surely, 2^880066445 is an apocalyptic number.

It is an amenable number.

880066445 is a deficient number, since it is larger than the sum of its proper divisors (176092897).

880066445 is an frugal number, since it uses more digits than its factorization.

880066445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26539 (or 13272 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 880066445 is about 29665.9138574897. The cubic root of 880066445 is about 958.3080894338.

Multiplying 880066445 by its product of nonzero digits (184320), we get a square (162213847142400 = 12736320²).

The spelling of 880066445 in words is "eight hundred eighty million, sixty-six thousand, four hundred forty-five".