28763617601 has 2 divisors, whose sum is σ = 28763617602. Its totient is φ = 28763617600.

The previous prime is 28763617529. The next prime is 28763617621. The reversal of 28763617601 is 10671636782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25454607025 + 3309010576 = 159545^2 + 57524^2 .

It is a cyclic number.

It is not a de Polignac number, because 28763617601 - 2¹⁸ = 28763355457 is a prime.

It is not a weakly prime, because it can be changed into another prime (28763617621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381808800 + 14381808801.

It is an arithmetic number, because the mean of its divisors is an integer number (14381808801).

Almost surely, 2^28763617601 is an apocalyptic number.

It is an amenable number.

28763617601 is a deficient number, since it is larger than the sum of its proper divisors (1).

28763617601 is an equidigital number, since it uses as much as digits as its factorization.

28763617601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 28763617601 in words is "twenty-eight billion, seven hundred sixty-three million, six hundred seventeen thousand, six hundred one".