97072997803 has 2 divisors, whose sum is σ = 97072997804. Its totient is φ = 97072997802.

The previous prime is 97072997741. The next prime is 97072997843. The reversal of 97072997803 is 30879927079.

It is a strong prime.

It is an emirp because it is prime and its reverse (30879927079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97072997803 - 2³³ = 88483063211 is a prime.

It is a super-2 number, since 2×97072997803² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97072997843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48536498901 + 48536498902.

It is an arithmetic number, because the mean of its divisors is an integer number (48536498902).

Almost surely, 2^97072997803 is an apocalyptic number.

97072997803 is a deficient number, since it is larger than the sum of its proper divisors (1).

97072997803 is an equidigital number, since it uses as much as digits as its factorization.

97072997803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 97072997803 in words is "ninety-seven billion, seventy-two million, nine hundred ninety-seven thousand, eight hundred three".