97150687 has 2 divisors, whose sum is σ = 97150688. Its totient is φ = 97150686.

The previous prime is 97150681. The next prime is 97150721. The reversal of 97150687 is 78605179.

It is a weak prime.

It is an emirp because it is prime and its reverse (78605179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97150687 - 2¹⁹ = 96626399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97150681) 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, 48575343 + 48575344.

It is an arithmetic number, because the mean of its divisors is an integer number (48575344).

Almost surely, 2^97150687 is an apocalyptic number.

97150687 is a deficient number, since it is larger than the sum of its proper divisors (1).

97150687 is an equidigital number, since it uses as much as digits as its factorization.

97150687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 97150687 is about 9856.5048064717. The cubic root of 97150687 is about 459.7078911040.

The spelling of 97150687 in words is "ninety-seven million, one hundred fifty thousand, six hundred eighty-seven".