80842668 has 24 divisors (see below), whose sum is σ = 194718720. Its totient is φ = 26078160.

The previous prime is 80842661. The next prime is 80842711. The reversal of 80842668 is 86624808.

It is not an unprimeable number, because it can be changed into a prime (80842661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108288 + ... + 109031.

It is an arithmetic number, because the mean of its divisors is an integer number (8113280).

Almost surely, 2^80842668 is an apocalyptic number.

It is an amenable number.

80842668 is an abundant number, since it is smaller than the sum of its proper divisors (113876052).

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

80842668 is a wasteful number, since it uses less digits than its factorization.

80842668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217357 (or 217355 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 80842668 is about 8991.2550848032. The cubic root of 80842668 is about 432.3945512356.

The spelling of 80842668 in words is "eighty million, eight hundred forty-two thousand, six hundred sixty-eight".