80894913 has 48 divisors (see below), whose sum is σ = 128573760. Its totient is φ = 45048960.

The previous prime is 80894909. The next prime is 80894921. The reversal of 80894913 is 31949808.

It is not a de Polignac number, because 80894913 - 2² = 80894909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80894923) 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 47 ways as a sum of consecutive naturals, for example, 255031 + ... + 255347.

It is an arithmetic number, because the mean of its divisors is an integer number (2678620).

Almost surely, 2^80894913 is an apocalyptic number.

It is an amenable number.

80894913 is a deficient number, since it is larger than the sum of its proper divisors (47678847).

80894913 is a wasteful number, since it uses less digits than its factorization.

80894913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 80894913 is about 8994.1599385379. The cubic root of 80894913 is about 432.4876769296.

The spelling of 80894913 in words is "eighty million, eight hundred ninety-four thousand, nine hundred thirteen".