80774449 has 4 divisors (see below), whose sum is σ = 92313664. Its totient is φ = 69235236.

The previous prime is 80774443. The next prime is 80774461. The reversal of 80774449 is 94447708.

It is a happy number.

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 not a de Polignac number, because 80774449 - 2⁵ = 80774417 is a prime.

It is a super-2 number, since 2×80774449² = 13049023222507202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80774443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5769597 + ... + 5769610.

It is an arithmetic number, because the mean of its divisors is an integer number (23078416).

Almost surely, 2^80774449 is an apocalyptic number.

It is an amenable number.

80774449 is a deficient number, since it is larger than the sum of its proper divisors (11539215).

80774449 is a wasteful number, since it uses less digits than its factorization.

80774449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539214.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 80774449 is about 8987.4606535995. The cubic root of 80774449 is about 432.2728917800.

The spelling of 80774449 in words is "eighty million, seven hundred seventy-four thousand, four hundred forty-nine".