28356057371 has 2 divisors, whose sum is σ = 28356057372. Its totient is φ = 28356057370.

The previous prime is 28356057347. The next prime is 28356057383. The reversal of 28356057371 is 17375065382.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28356057371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28356057271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14178028685 + 14178028686.

It is an arithmetic number, because the mean of its divisors is an integer number (14178028686).

Almost surely, 2^28356057371 is an apocalyptic number.

28356057371 is a deficient number, since it is larger than the sum of its proper divisors (1).

28356057371 is an equidigital number, since it uses as much as digits as its factorization.

28356057371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 28356057371 in words is "twenty-eight billion, three hundred fifty-six million, fifty-seven thousand, three hundred seventy-one".