97953671 has 2 divisors, whose sum is σ = 97953672. Its totient is φ = 97953670.

The previous prime is 97953641. The next prime is 97953673. The reversal of 97953671 is 17635979.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17635979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97953671 is a prime.

It is a Sophie Germain prime.

Together with 97953673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97953673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48976835 + 48976836.

It is an arithmetic number, because the mean of its divisors is an integer number (48976836).

Almost surely, 2^97953671 is an apocalyptic number.

97953671 is a deficient number, since it is larger than the sum of its proper divisors (1).

97953671 is an equidigital number, since it uses as much as digits as its factorization.

97953671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 47.

The square root of 97953671 is about 9897.1546921325. The cubic root of 97953671 is about 460.9709657464.

The spelling of 97953671 in words is "ninety-seven million, nine hundred fifty-three thousand, six hundred seventy-one".