97873357 has 2 divisors, whose sum is σ = 97873358. Its totient is φ = 97873356.

The previous prime is 97873333. The next prime is 97873379. The reversal of 97873357 is 75337879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56836521 + 41036836 = 7539^2 + 6406^2 .

It is a cyclic number.

It is not a de Polignac number, because 97873357 - 2¹⁹ = 97349069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97873357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97873327) 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, 48936678 + 48936679.

It is an arithmetic number, because the mean of its divisors is an integer number (48936679).

Almost surely, 2^97873357 is an apocalyptic number.

It is an amenable number.

97873357 is a deficient number, since it is larger than the sum of its proper divisors (1).

97873357 is an equidigital number, since it uses as much as digits as its factorization.

97873357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 97873357 is about 9893.0964313505. The cubic root of 97873357 is about 460.8449451327.

The spelling of 97873357 in words is "ninety-seven million, eight hundred seventy-three thousand, three hundred fifty-seven".