80893867 has 4 divisors (see below), whose sum is σ = 81917920. Its totient is φ = 79869816.

The previous prime is 80893801. The next prime is 80893873. The reversal of 80893867 is 76839808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80893867 - 2¹¹ = 80891819 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 80893867.

It is not an unprimeable number, because it can be changed into a prime (80893067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511908 + ... + 512065.

It is an arithmetic number, because the mean of its divisors is an integer number (20479480).

Almost surely, 2^80893867 is an apocalyptic number.

80893867 is a deficient number, since it is larger than the sum of its proper divisors (1024053).

80893867 is a wasteful number, since it uses less digits than its factorization.

80893867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024052.

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

The square root of 80893867 is about 8994.1017895063. The cubic root of 80893867 is about 432.4858128484.

The spelling of 80893867 in words is "eighty million, eight hundred ninety-three thousand, eight hundred sixty-seven".