80161847 has 12 divisors (see below), whose sum is σ = 84151320. Its totient is φ = 76319040.

The previous prime is 80161841. The next prime is 80161849. The reversal of 80161847 is 74816108.

It is not a de Polignac number, because 80161847 - 2⁸ = 80161591 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 (80161841) 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, 71729 + ... + 72837.

It is an arithmetic number, because the mean of its divisors is an integer number (7012610).

Almost surely, 2^80161847 is an apocalyptic number.

80161847 is a deficient number, since it is larger than the sum of its proper divisors (3989473).

80161847 is a wasteful number, since it uses less digits than its factorization.

80161847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 80161847 is about 8953.3148609886. The cubic root of 80161847 is about 431.1773162668.

The spelling of 80161847 in words is "eighty million, one hundred sixty-one thousand, eight hundred forty-seven".