28288770371 has 2 divisors, whose sum is σ = 28288770372. Its totient is φ = 28288770370.

The previous prime is 28288770337. The next prime is 28288770401. The reversal of 28288770371 is 17307788282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28288770371 - 2¹⁰ = 28288769347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28288770311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14144385185 + 14144385186.

It is an arithmetic number, because the mean of its divisors is an integer number (14144385186).

Almost surely, 2^28288770371 is an apocalyptic number.

28288770371 is a deficient number, since it is larger than the sum of its proper divisors (1).

28288770371 is an equidigital number, since it uses as much as digits as its factorization.

28288770371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2107392, while the sum is 53.

The spelling of 28288770371 in words is "twenty-eight billion, two hundred eighty-eight million, seven hundred seventy thousand, three hundred seventy-one".