83766951311 has 4 divisors (see below), whose sum is σ = 83779271352. Its totient is φ = 83754631272.

The previous prime is 83766951299. The next prime is 83766951313. The reversal of 83766951311 is 11315966738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83766951311 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 83766951311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83766951313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6149816 + ... + 6163421.

It is an arithmetic number, because the mean of its divisors is an integer number (20944817838).

Almost surely, 2^83766951311 is an apocalyptic number.

83766951311 is a deficient number, since it is larger than the sum of its proper divisors (12320041).

83766951311 is a wasteful number, since it uses less digits than its factorization.

83766951311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320040.

The product of its digits is 816480, while the sum is 50.

The spelling of 83766951311 in words is "eighty-three billion, seven hundred sixty-six million, nine hundred fifty-one thousand, three hundred eleven".