28308030527537 has 2 divisors, whose sum is σ = 28308030527538. Its totient is φ = 28308030527536.

The previous prime is 28308030527527. The next prime is 28308030527551. The reversal of 28308030527537 is 73572503080382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27892774012321 + 415256515216 = 5281361^2 + 644404^2 .

It is a cyclic number.

It is not a de Polignac number, because 28308030527537 - 2⁴ = 28308030527521 is a prime.

It is not a weakly prime, because it can be changed into another prime (28308030527527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14154015263768 + 14154015263769.

It is an arithmetic number, because the mean of its divisors is an integer number (14154015263769).

Almost surely, 2^{28308030527537} is an apocalyptic number.

It is an amenable number.

28308030527537 is a deficient number, since it is larger than the sum of its proper divisors (1).

28308030527537 is an equidigital number, since it uses as much as digits as its factorization.

28308030527537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 28308030527537 in words is "twenty-eight trillion, three hundred eight billion, thirty million, five hundred twenty-seven thousand, five hundred thirty-seven".