517420210077 has 24 divisors (see below), whose sum is σ = 754854841728. Its totient is φ = 341499708000.

The previous prime is 517420210051. The next prime is 517420210091. The reversal of 517420210077 is 770012024715.

517420210077 is a `hidden beast` number, since 5 + 17 + 420 + 210 + 0 + 7 + 7 = 666.

It is not a de Polignac number, because 517420210077 - 2⁸ = 517420209821 is a prime.

It is a super-2 number, since 2×517420210077² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517420210007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13600552 + ... + 13638542.

It is an arithmetic number, because the mean of its divisors is an integer number (31452285072).

Almost surely, 2^517420210077 is an apocalyptic number.

It is an amenable number.

517420210077 is a deficient number, since it is larger than the sum of its proper divisors (237434631651).

517420210077 is a wasteful number, since it uses less digits than its factorization.

517420210077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53081 (or 53078 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 517420210077 in words is "five hundred seventeen billion, four hundred twenty million, two hundred ten thousand, seventy-seven".