83214550777157 has 2 divisors, whose sum is σ = 83214550777158. Its totient is φ = 83214550777156.

The previous prime is 83214550777151. The next prime is 83214550777177. The reversal of 83214550777157 is 75177705541238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57304506360676 + 25910044416481 = 7569974^2 + 5090191^2 .

It is a cyclic number.

It is not a de Polignac number, because 83214550777157 - 2⁶ = 83214550777093 is a prime.

It is a super-2 number, since 2×83214550777157² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83214550777157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83214550777151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41607275388578 + 41607275388579.

It is an arithmetic number, because the mean of its divisors is an integer number (41607275388579).

Almost surely, 2^{83214550777157} is an apocalyptic number.

It is an amenable number.

83214550777157 is a deficient number, since it is larger than the sum of its proper divisors (1).

83214550777157 is an equidigital number, since it uses as much as digits as its factorization.

83214550777157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57624000, while the sum is 62.

The spelling of 83214550777157 in words is "eighty-three trillion, two hundred fourteen billion, five hundred fifty million, seven hundred seventy-seven thousand, one hundred fifty-seven".