80707687 has 12 divisors (see below), whose sum is σ = 90196416. Its totient is φ = 71956800.

The previous prime is 80707681. The next prime is 80707703. The reversal of 80707687 is 78670708.

80707687 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 80707687 - 2¹⁹ = 80183399 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 (80707681) 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 11 ways as a sum of consecutive naturals, for example, 439 + ... + 12712.

It is an arithmetic number, because the mean of its divisors is an integer number (7516368).

Almost surely, 2^80707687 is an apocalyptic number.

80707687 is a deficient number, since it is larger than the sum of its proper divisors (9488729).

80707687 is a wasteful number, since it uses less digits than its factorization.

80707687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13206 (or 13187 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 80707687 is about 8983.7457110050. The cubic root of 80707687 is about 432.1537643505.

The spelling of 80707687 in words is "eighty million, seven hundred seven thousand, six hundred eighty-seven".