81260683 has 8 divisors (see below), whose sum is σ = 93827552. Its totient is φ = 68933376.

The previous prime is 81260681. The next prime is 81260687. The reversal of 81260683 is 38606218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 81260683 - 2¹ = 81260681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (81260681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59160 + ... + 60517.

It is an arithmetic number, because the mean of its divisors is an integer number (11728444).

Almost surely, 2^81260683 is an apocalyptic number.

81260683 is a deficient number, since it is larger than the sum of its proper divisors (12566869).

81260683 is a wasteful number, since it uses less digits than its factorization.

81260683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119781.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 81260683 is about 9014.4707554021. The cubic root of 81260683 is about 433.1385344690.

The spelling of 81260683 in words is "eighty-one million, two hundred sixty thousand, six hundred eighty-three".