97711151 has 2 divisors, whose sum is σ = 97711152. Its totient is φ = 97711150.

The previous prime is 97711147. The next prime is 97711247. The reversal of 97711151 is 15111779.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15111779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97711151 - 2² = 97711147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97711951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48855575 + 48855576.

It is an arithmetic number, because the mean of its divisors is an integer number (48855576).

Almost surely, 2^97711151 is an apocalyptic number.

97711151 is a deficient number, since it is larger than the sum of its proper divisors (1).

97711151 is an equidigital number, since it uses as much as digits as its factorization.

97711151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2205, while the sum is 32.

The square root of 97711151 is about 9884.8950930194. The cubic root of 97711151 is about 460.5902174892.

The spelling of 97711151 in words is "ninety-seven million, seven hundred eleven thousand, one hundred fifty-one".