97990037503 has 2 divisors, whose sum is σ = 97990037504. Its totient is φ = 97990037502.

The previous prime is 97990037489. The next prime is 97990037507. The reversal of 97990037503 is 30573009979.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97990037503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97990037507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48995018751 + 48995018752.

It is an arithmetic number, because the mean of its divisors is an integer number (48995018752).

Almost surely, 2^97990037503 is an apocalyptic number.

97990037503 is a deficient number, since it is larger than the sum of its proper divisors (1).

97990037503 is an equidigital number, since it uses as much as digits as its factorization.

97990037503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1607445, while the sum is 52.

The spelling of 97990037503 in words is "ninety-seven billion, nine hundred ninety million, thirty-seven thousand, five hundred three".