80893687 has 8 divisors (see below), whose sum is σ = 92555136. Its totient is φ = 69258552.

The previous prime is 80893651. The next prime is 80893711. The reversal of 80893687 is 78639808.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80893687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80893687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80893607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 12730.

It is an arithmetic number, because the mean of its divisors is an integer number (11569392).

Almost surely, 2^80893687 is an apocalyptic number.

80893687 is a deficient number, since it is larger than the sum of its proper divisors (11661449).

80893687 is a wasteful number, since it uses less digits than its factorization.

80893687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13157.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 80893687 is about 8994.0917829428. The cubic root of 80893687 is about 432.4854920679.

The spelling of 80893687 in words is "eighty million, eight hundred ninety-three thousand, six hundred eighty-seven".