80811628 has 12 divisors (see below), whose sum is σ = 143211040. Its totient is φ = 39894192.

The previous prime is 80811607. The next prime is 80811629. The reversal of 80811628 is 82611808.

It is a junction number, because it is equal to n+sod(n) for n = 80811593 and 80811602.

It is not an unprimeable number, because it can be changed into a prime (80811629) 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, 127551 + ... + 128182.

Almost surely, 2^80811628 is an apocalyptic number.

It is an amenable number.

80811628 is a deficient number, since it is larger than the sum of its proper divisors (62399412).

80811628 is a wasteful number, since it uses less digits than its factorization.

80811628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255816 (or 255814 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 80811628 is about 8989.5287974398. The cubic root of 80811628 is about 432.3392040395.

The spelling of 80811628 in words is "eighty million, eight hundred eleven thousand, six hundred twenty-eight".