80180938 has 4 divisors (see below), whose sum is σ = 120271410. Its totient is φ = 40090468.

The previous prime is 80180917. The next prime is 80180963. The reversal of 80180938 is 83908108.

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

It can be written as a sum of positive squares in only one way, i.e., 78446449 + 1734489 = 8857^2 + 1317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80180897 and 80180906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20045233 + ... + 20045236.

Almost surely, 2^80180938 is an apocalyptic number.

80180938 is a deficient number, since it is larger than the sum of its proper divisors (40090472).

80180938 is a wasteful number, since it uses less digits than its factorization.

80180938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40090471.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 80180938 is about 8954.3809389594. The cubic root of 80180938 is about 431.2115426604.

It can be divided in two parts, 80180 and 938, that added together give a palindrome (81118).

The spelling of 80180938 in words is "eighty million, one hundred eighty thousand, nine hundred thirty-eight".