820158273107 has 2 divisors, whose sum is σ = 820158273108. Its totient is φ = 820158273106.

The previous prime is 820158273089. The next prime is 820158273133. The reversal of 820158273107 is 701372851028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 820158273107 - 2³⁰ = 819084531283 is a prime.

It is not a weakly prime, because it can be changed into another prime (820158273197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410079136553 + 410079136554.

It is an arithmetic number, because the mean of its divisors is an integer number (410079136554).

Almost surely, 2^820158273107 is an apocalyptic number.

820158273107 is a deficient number, since it is larger than the sum of its proper divisors (1).

820158273107 is an equidigital number, since it uses as much as digits as its factorization.

820158273107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 820158273107 in words is "eight hundred twenty billion, one hundred fifty-eight million, two hundred seventy-three thousand, one hundred seven".