28903827497 has 2 divisors, whose sum is σ = 28903827498. Its totient is φ = 28903827496.

The previous prime is 28903827487. The next prime is 28903827509. The reversal of 28903827497 is 79472830982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17702568601 + 11201258896 = 133051^2 + 105836^2 .

It is a cyclic number.

It is not a de Polignac number, because 28903827497 - 2⁸ = 28903827241 is a prime.

It is not a weakly prime, because it can be changed into another prime (28903827487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14451913748 + 14451913749.

It is an arithmetic number, because the mean of its divisors is an integer number (14451913749).

Almost surely, 2^28903827497 is an apocalyptic number.

It is an amenable number.

28903827497 is a deficient number, since it is larger than the sum of its proper divisors (1).

28903827497 is an equidigital number, since it uses as much as digits as its factorization.

28903827497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 28903827497 in words is "twenty-eight billion, nine hundred three million, eight hundred twenty-seven thousand, four hundred ninety-seven".