80045827 has 4 divisors (see below), whose sum is σ = 80091376. Its totient is φ = 80000280.

The previous prime is 80045821. The next prime is 80045857. The reversal of 80045827 is 72854008.

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

It is a cyclic number.

It is not a de Polignac number, because 80045827 - 2⁷ = 80045699 is a prime.

It is a super-2 number, since 2×80045827² = 12814668840227858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80045792 and 80045801.

It is not an unprimeable number, because it can be changed into a prime (80045821) 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, 20028 + ... + 23689.

It is an arithmetic number, because the mean of its divisors is an integer number (20022844).

Almost surely, 2^80045827 is an apocalyptic number.

80045827 is a deficient number, since it is larger than the sum of its proper divisors (45549).

80045827 is a wasteful number, since it uses less digits than its factorization.

80045827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45548.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 80045827 is about 8946.8333504095. The cubic root of 80045827 is about 430.9691983666.

It can be divided in two parts, 8004 and 5827, that added together give a palindrome (13831).

The spelling of 80045827 in words is "eighty million, forty-five thousand, eight hundred twenty-seven".