180842847 has 8 divisors (see below), whose sum is σ = 245210880. Its totient is φ = 118518360.

The previous prime is 180842803. The next prime is 180842863. The reversal of 180842847 is 748248081.

180842847 = 1179² + 1180² + ... + 1296².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 180842847 - 2⁸ = 180842591 is a prime.

It is a super-2 number, since 2×180842847² = 65408270622130818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180842799 and 180842808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180842897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510679 + ... + 511032.

It is an arithmetic number, because the mean of its divisors is an integer number (30651360).

Almost surely, 2^180842847 is an apocalyptic number.

180842847 is a deficient number, since it is larger than the sum of its proper divisors (64368033).

180842847 is a wasteful number, since it uses less digits than its factorization.

180842847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021773.

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 180842847 is about 13447.7822335135. The cubic root of 180842847 is about 565.5015224782.

The spelling of 180842847 in words is "one hundred eighty million, eight hundred forty-two thousand, eight hundred forty-seven".