80967691 has 16 divisors (see below), whose sum is σ = 96962560. Its totient is φ = 66147840.

The previous prime is 80967671. The next prime is 80967697. The reversal of 80967691 is 19676908.

It is a cyclic number.

It is not a de Polignac number, because 80967691 - 2¹³ = 80959499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80967697) 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 15 ways as a sum of consecutive naturals, for example, 11755 + ... + 17323.

It is an arithmetic number, because the mean of its divisors is an integer number (6060160).

Almost surely, 2^80967691 is an apocalyptic number.

80967691 is a deficient number, since it is larger than the sum of its proper divisors (15994869).

80967691 is a wasteful number, since it uses less digits than its factorization.

80967691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 80967691 is about 8998.2048765295. The cubic root of 80967691 is about 432.6173354894.

The spelling of 80967691 in words is "eighty million, nine hundred sixty-seven thousand, six hundred ninety-one".