80967005 has 32 divisors (see below), whose sum is σ = 120476160. Its totient is φ = 50964480.

The previous prime is 80966933. The next prime is 80967011. The reversal of 80967005 is 50076908.

It is not a de Polignac number, because 80967005 - 2²² = 76772701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22736 + ... + 26054.

It is an arithmetic number, because the mean of its divisors is an integer number (3764880).

Almost surely, 2^80967005 is an apocalyptic number.

80967005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80967005 is a deficient number, since it is larger than the sum of its proper divisors (39509155).

80967005 is a wasteful number, since it uses less digits than its factorization.

80967005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 80967005 is about 8998.1667577346. The cubic root of 80967005 is about 432.6161137003.

The spelling of 80967005 in words is "eighty million, nine hundred sixty-seven thousand, five".