20586792377 has 2 divisors, whose sum is σ = 20586792378. Its totient is φ = 20586792376.

The previous prime is 20586792349. The next prime is 20586792383. The reversal of 20586792377 is 77329768502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18907350016 + 1679442361 = 137504^2 + 40981^2 .

It is a cyclic number.

It is not a de Polignac number, because 20586792377 - 2³⁰ = 19513050553 is a prime.

It is not a weakly prime, because it can be changed into another prime (20586792307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10293396188 + 10293396189.

It is an arithmetic number, because the mean of its divisors is an integer number (10293396189).

Almost surely, 2^20586792377 is an apocalyptic number.

It is an amenable number.

20586792377 is a deficient number, since it is larger than the sum of its proper divisors (1).

20586792377 is an equidigital number, since it uses as much as digits as its factorization.

20586792377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 20586792377 in words is "twenty billion, five hundred eighty-six million, seven hundred ninety-two thousand, three hundred seventy-seven".