80601687 has 12 divisors (see below), whose sum is σ = 116505480. Its totient is φ = 53697168.

The previous prime is 80601673. The next prime is 80601721. The reversal of 80601687 is 78610608.

It is not a de Polignac number, because 80601687 - 2¹¹ = 80599639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80603687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18448 + ... + 22394.

It is an arithmetic number, because the mean of its divisors is an integer number (9708790).

Almost surely, 2^80601687 is an apocalyptic number.

80601687 is a deficient number, since it is larger than the sum of its proper divisors (35903793).

80601687 is a wasteful number, since it uses less digits than its factorization.

80601687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222 (or 6219 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 80601687 is about 8977.8442289895. The cubic root of 80601687 is about 431.9644871785.

The spelling of 80601687 in words is "eighty million, six hundred one thousand, six hundred eighty-seven".