80894444 has 6 divisors (see below), whose sum is σ = 141565284. Its totient is φ = 40447220.

The previous prime is 80894441. The next prime is 80894447. The reversal of 80894444 is 44449808.

It is an interprime number because it is at equal distance from previous prime (80894441) and next prime (80894447).

It is a super-2 number, since 2×80894444² = 13087822140138272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80894441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111802 + ... + 10111809.

It is an arithmetic number, because the mean of its divisors is an integer number (23594214).

Almost surely, 2^80894444 is an apocalyptic number.

It is an amenable number.

80894444 is a deficient number, since it is larger than the sum of its proper divisors (60670840).

80894444 is a wasteful number, since it uses less digits than its factorization.

80894444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223615 (or 20223613 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 80894444 is about 8994.1338660262. The cubic root of 80894444 is about 432.4868411246.

The spelling of 80894444 in words is "eighty million, eight hundred ninety-four thousand, four hundred forty-four".