80672485 has 8 divisors (see below), whose sum is σ = 97299576. Its totient is φ = 64209600.

The previous prime is 80672483. The next prime is 80672491. The reversal of 80672485 is 58427608.

It can be written as a sum of positive squares in 4 ways, for example, as 52983841 + 27688644 = 7279^2 + 5262^2 .

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

It is not a de Polignac number, because 80672485 - 2¹ = 80672483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80672483) 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, 39966 + ... + 41935.

It is an arithmetic number, because the mean of its divisors is an integer number (12162447).

Almost surely, 2^80672485 is an apocalyptic number.

It is an amenable number.

80672485 is a deficient number, since it is larger than the sum of its proper divisors (16627091).

80672485 is a wasteful number, since it uses less digits than its factorization.

80672485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82103.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 80672485 is about 8981.7862922695. The cubic root of 80672485 is about 432.0909248628.

The spelling of 80672485 in words is "eighty million, six hundred seventy-two thousand, four hundred eighty-five".