97171738051 has 2 divisors, whose sum is σ = 97171738052. Its totient is φ = 97171738050.

The previous prime is 97171738003. The next prime is 97171738087. The reversal of 97171738051 is 15083717179.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15083717179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97171738051 - 2¹¹ = 97171736003 is a prime.

It is a super-2 number, since 2×97171738051² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97171737986 and 97171738004.

It is not a weakly prime, because it can be changed into another prime (97171738091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48585869025 + 48585869026.

It is an arithmetic number, because the mean of its divisors is an integer number (48585869026).

Almost surely, 2^97171738051 is an apocalyptic number.

97171738051 is a deficient number, since it is larger than the sum of its proper divisors (1).

97171738051 is an equidigital number, since it uses as much as digits as its factorization.

97171738051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 49.

The spelling of 97171738051 in words is "ninety-seven billion, one hundred seventy-one million, seven hundred thirty-eight thousand, fifty-one".