81106676735 has 8 divisors (see below), whose sum is σ = 111232013856. Its totient is φ = 55616006880.

The previous prime is 81106676663. The next prime is 81106676767. The reversal of 81106676735 is 53767660118.

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

It is not a de Polignac number, because 81106676735 - 2⁸ = 81106676479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158666776 + ... + 1158666845.

It is an arithmetic number, because the mean of its divisors is an integer number (13904001732).

Almost surely, 2^81106676735 is an apocalyptic number.

81106676735 is a deficient number, since it is larger than the sum of its proper divisors (30125337121).

81106676735 is a wasteful number, since it uses less digits than its factorization.

81106676735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317333633.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 81106676735 in words is "eighty-one billion, one hundred six million, six hundred seventy-six thousand, seven hundred thirty-five".