97985383 has 2 divisors, whose sum is σ = 97985384. Its totient is φ = 97985382.

The previous prime is 97985369. The next prime is 97985429. The reversal of 97985383 is 38358979.

It is a weak prime.

It is an emirp because it is prime and its reverse (38358979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97985383 - 2⁹ = 97984871 is a prime.

It is a super-2 number, since 2×97985383² = 19202270563313378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97985383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97985683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48992691 + 48992692.

It is an arithmetic number, because the mean of its divisors is an integer number (48992692).

Almost surely, 2^97985383 is an apocalyptic number.

97985383 is a deficient number, since it is larger than the sum of its proper divisors (1).

97985383 is an equidigital number, since it uses as much as digits as its factorization.

97985383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 97985383 is about 9898.7566390936. The cubic root of 97985383 is about 461.0207060432.

The spelling of 97985383 in words is "ninety-seven million, nine hundred eighty-five thousand, three hundred eighty-three".