97605656628503 has 2 divisors, whose sum is σ = 97605656628504. Its totient is φ = 97605656628502.

The previous prime is 97605656628449. The next prime is 97605656628511. The reversal of 97605656628503 is 30582665650679.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97605656628503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97655656628503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48802828314251 + 48802828314252.

It is an arithmetic number, because the mean of its divisors is an integer number (48802828314252).

Almost surely, 2^{97605656628503} is an apocalyptic number.

97605656628503 is a deficient number, since it is larger than the sum of its proper divisors (1).

97605656628503 is an equidigital number, since it uses as much as digits as its factorization.

97605656628503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888000, while the sum is 68.

The spelling of 97605656628503 in words is "ninety-seven trillion, six hundred five billion, six hundred fifty-six million, six hundred twenty-eight thousand, five hundred three".