83921350927 has 2 divisors, whose sum is σ = 83921350928. Its totient is φ = 83921350926.

The previous prime is 83921350871. The next prime is 83921350951. The reversal of 83921350927 is 72905312938.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83921350927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83921350957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41960675463 + 41960675464.

It is an arithmetic number, because the mean of its divisors is an integer number (41960675464).

Almost surely, 2^83921350927 is an apocalyptic number.

83921350927 is a deficient number, since it is larger than the sum of its proper divisors (1).

83921350927 is an equidigital number, since it uses as much as digits as its factorization.

83921350927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 83921350927 in words is "eighty-three billion, nine hundred twenty-one million, three hundred fifty thousand, nine hundred twenty-seven".