97830377 has 2 divisors, whose sum is σ = 97830378. Its totient is φ = 97830376.

The previous prime is 97830371. The next prime is 97830413. The reversal of 97830377 is 77303879.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53421481 + 44408896 = 7309^2 + 6664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97830377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97830371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48915188 + 48915189.

It is an arithmetic number, because the mean of its divisors is an integer number (48915189).

Almost surely, 2^97830377 is an apocalyptic number.

It is an amenable number.

97830377 is a deficient number, since it is larger than the sum of its proper divisors (1).

97830377 is an equidigital number, since it uses as much as digits as its factorization.

97830377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 97830377 is about 9890.9239709948. The cubic root of 97830377 is about 460.7774769390. Note that the first 3 decimals are identical.

The spelling of 97830377 in words is "ninety-seven million, eight hundred thirty thousand, three hundred seventy-seven".