97844963 has 2 divisors, whose sum is σ = 97844964. Its totient is φ = 97844962.

The previous prime is 97844939. The next prime is 97844969. The reversal of 97844963 is 36944879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97844963 - 2¹⁴ = 97828579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (97844969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48922481 + 48922482.

It is an arithmetic number, because the mean of its divisors is an integer number (48922482).

Almost surely, 2^97844963 is an apocalyptic number.

97844963 is a deficient number, since it is larger than the sum of its proper divisors (1).

97844963 is an equidigital number, since it uses as much as digits as its factorization.

97844963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 97844963 is about 9891.6612861541. The cubic root of 97844963 is about 460.8003756422.

The spelling of 97844963 in words is "ninety-seven million, eight hundred forty-four thousand, nine hundred sixty-three".