80172084 has 24 divisors (see below), whose sum is σ = 187227040. Its totient is φ = 26701344.

The previous prime is 80172047. The next prime is 80172101. The reversal of 80172084 is 48027108.

It is a super-3 number, since 3×80172084³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18027 + ... + 22029.

Almost surely, 2^80172084 is an apocalyptic number.

It is an amenable number.

80172084 is an abundant number, since it is smaller than the sum of its proper divisors (107054956).

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

80172084 is a wasteful number, since it uses less digits than its factorization.

80172084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679 (or 5677 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 80172084 is about 8953.8865304403. The cubic root of 80172084 is about 431.1956698622.

It can be divided in two parts, 8017 and 2084, that added together give a palindrome (10101).

The spelling of 80172084 in words is "eighty million, one hundred seventy-two thousand, eighty-four".