Search a number
-
+
80257886407 is a prime number
BaseRepresentation
bin100101010111110111…
…1100010100011000111
321200011022101001122101
41022233233202203013
52303332004331112
6100511525012531
75540602531006
oct1125757424307
9250138331571
1080257886407
1131045536a46
121367a254147
1377506a901a
143c55108c3d
15214ae5e757
hex12afbe28c7

80257886407 has 2 divisors, whose sum is σ = 80257886408. Its totient is φ = 80257886406.

The previous prime is 80257886369. The next prime is 80257886411. The reversal of 80257886407 is 70468875208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80257886407 - 27 = 80257886279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80257886437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40128943203 + 40128943204.

It is an arithmetic number, because the mean of its divisors is an integer number (40128943204).

Almost surely, 280257886407 is an apocalyptic number.

80257886407 is a deficient number, since it is larger than the sum of its proper divisors (1).

80257886407 is an equidigital number, since it uses as much as digits as its factorization.

80257886407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 80257886407 in words is "eighty billion, two hundred fifty-seven million, eight hundred eighty-six thousand, four hundred seven".