97187411 has 2 divisors, whose sum is σ = 97187412. Its totient is φ = 97187410.

The previous prime is 97187393. The next prime is 97187423. The reversal of 97187411 is 11478179.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97187411 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (97187471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48593705 + 48593706.

It is an arithmetic number, because the mean of its divisors is an integer number (48593706).

Almost surely, 2^97187411 is an apocalyptic number.

97187411 is a deficient number, since it is larger than the sum of its proper divisors (1).

97187411 is an equidigital number, since it uses as much as digits as its factorization.

97187411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 38.

The square root of 97187411 is about 9858.3675626343. The cubic root of 97187411 is about 459.7658086420.

The spelling of 97187411 in words is "ninety-seven million, one hundred eighty-seven thousand, four hundred eleven".