83379157 has 2 divisors, whose sum is σ = 83379158. Its totient is φ = 83379156.

The previous prime is 83379139. The next prime is 83379173. The reversal of 83379157 is 75197338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54552996 + 28826161 = 7386^2 + 5369^2 .

It is a cyclic number.

It is not a de Polignac number, because 83379157 - 2¹⁹ = 82854869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83377157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41689578 + 41689579.

It is an arithmetic number, because the mean of its divisors is an integer number (41689579).

Almost surely, 2^83379157 is an apocalyptic number.

It is an amenable number.

83379157 is a deficient number, since it is larger than the sum of its proper divisors (1).

83379157 is an equidigital number, since it uses as much as digits as its factorization.

83379157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 83379157 is about 9131.2188124040. The cubic root of 83379157 is about 436.8702790179.

The spelling of 83379157 in words is "eighty-three million, three hundred seventy-nine thousand, one hundred fifty-seven".