80005662 has 48 divisors (see below), whose sum is σ = 190988928. Its totient is φ = 24002640.

The previous prime is 80005631. The next prime is 80005741. The reversal of 80005662 is 26650008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18433 + ... + 22355.

It is an arithmetic number, because the mean of its divisors is an integer number (3978936).

Almost surely, 2^80005662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80005662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95494464).

80005662 is an abundant number, since it is smaller than the sum of its proper divisors (110983266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80005662 is a wasteful number, since it uses less digits than its factorization.

80005662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 80005662 is about 8944.5884198212. The cubic root of 80005662 is about 430.8971031076.

The spelling of 80005662 in words is "eighty million, five thousand, six hundred sixty-two".