83541268865 has 8 divisors (see below), whose sum is σ = 100251630888. Its totient is φ = 66831609600.

The previous prime is 83541268841. The next prime is 83541268903. The reversal of 83541268865 is 56886214538.

It can be written as a sum of positive squares in 4 ways, for example, as 2778449521 + 80762819344 = 52711^2 + 284188^2 .

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

It is not a de Polignac number, because 83541268865 - 2⁶ = 83541268801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83541268865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136169 + ... + 430841.

It is an arithmetic number, because the mean of its divisors is an integer number (12531453861).

Almost surely, 2^83541268865 is an apocalyptic number.

It is an amenable number.

83541268865 is a deficient number, since it is larger than the sum of its proper divisors (16710362023).

83541268865 is a wasteful number, since it uses less digits than its factorization.

83541268865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351379.

The product of its digits is 11059200, while the sum is 56.

The spelling of 83541268865 in words is "eighty-three billion, five hundred forty-one million, two hundred sixty-eight thousand, eight hundred sixty-five".