83725105157 has 2 divisors, whose sum is σ = 83725105158. Its totient is φ = 83725105156.

The previous prime is 83725105099. The next prime is 83725105159. The reversal of 83725105157 is 75150152738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82751727556 + 973377601 = 287666^2 + 31199^2 .

It is a cyclic number.

It is not a de Polignac number, because 83725105157 - 2¹⁶ = 83725039621 is a prime.

Together with 83725105159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83725105159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41862552578 + 41862552579.

It is an arithmetic number, because the mean of its divisors is an integer number (41862552579).

Almost surely, 2^83725105157 is an apocalyptic number.

It is an amenable number.

83725105157 is a deficient number, since it is larger than the sum of its proper divisors (1).

83725105157 is an equidigital number, since it uses as much as digits as its factorization.

83725105157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 44.

The spelling of 83725105157 in words is "eighty-three billion, seven hundred twenty-five million, one hundred five thousand, one hundred fifty-seven".