80546631 has 8 divisors (see below), whose sum is σ = 117158784. Its totient is φ = 48816120.

The previous prime is 80546593. The next prime is 80546647. The reversal of 80546631 is 13664508.

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

It is not a de Polignac number, because 80546631 - 2⁷ = 80546503 is a prime.

It is a super-2 number, since 2×80546631² = 12975519530900322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2440807 = 80546631 / (8 + 0 + 5 + 4 + 6 + 6 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 80546592 and 80546601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80546651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220371 + ... + 1220436.

It is an arithmetic number, because the mean of its divisors is an integer number (14644848).

Almost surely, 2^80546631 is an apocalyptic number.

80546631 is a deficient number, since it is larger than the sum of its proper divisors (36612153).

80546631 is a wasteful number, since it uses less digits than its factorization.

80546631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440821.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 80546631 is about 8974.7774902780. Note that the first 3 decimals coincide. The cubic root of 80546631 is about 431.8661118439.

The spelling of 80546631 in words is "eighty million, five hundred forty-six thousand, six hundred thirty-one".