97287767 has 2 divisors, whose sum is σ = 97287768. Its totient is φ = 97287766.

The previous prime is 97287731. The next prime is 97287797. The reversal of 97287767 is 76778279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97287767 - 2¹⁸ = 97025623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97287727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48643883 + 48643884.

It is an arithmetic number, because the mean of its divisors is an integer number (48643884).

Almost surely, 2^97287767 is an apocalyptic number.

97287767 is a deficient number, since it is larger than the sum of its proper divisors (1).

97287767 is an equidigital number, since it uses as much as digits as its factorization.

97287767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 53.

The square root of 97287767 is about 9863.4561386970. The cubic root of 97287767 is about 459.9240060347.

The spelling of 97287767 in words is "ninety-seven million, two hundred eighty-seven thousand, seven hundred sixty-seven".