80180898 has 32 divisors (see below), whose sum is σ = 191241216. Its totient is φ = 21912528.

The previous prime is 80180873. The next prime is 80180909. The reversal of 80180898 is 89808108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40536 + ... + 42467.

It is an arithmetic number, because the mean of its divisors is an integer number (5976288).

Almost surely, 2^80180898 is an apocalyptic number.

80180898 is an abundant number, since it is smaller than the sum of its proper divisors (111060318).

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

80180898 is a wasteful number, since it uses less digits than its factorization.

80180898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83038.

The product of its (nonzero) digits is 36864, while the sum is 42.

The square root of 80180898 is about 8954.3787054156. The cubic root of 80180898 is about 431.2114709539.

The spelling of 80180898 in words is "eighty million, one hundred eighty thousand, eight hundred ninety-eight".