83755961287 has 2 divisors, whose sum is σ = 83755961288. Its totient is φ = 83755961286.

The previous prime is 83755961257. The next prime is 83755961323. The reversal of 83755961287 is 78216955738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83755961287 - 2³⁵ = 49396222919 is a prime.

It is a super-2 number, since 2×83755961287² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83755961257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41877980643 + 41877980644.

It is an arithmetic number, because the mean of its divisors is an integer number (41877980644).

Almost surely, 2^83755961287 is an apocalyptic number.

83755961287 is a deficient number, since it is larger than the sum of its proper divisors (1).

83755961287 is an equidigital number, since it uses as much as digits as its factorization.

83755961287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25401600, while the sum is 61.

The spelling of 83755961287 in words is "eighty-three billion, seven hundred fifty-five million, nine hundred sixty-one thousand, two hundred eighty-seven".