97838747 has 2 divisors, whose sum is σ = 97838748. Its totient is φ = 97838746.

The previous prime is 97838707. The next prime is 97838749. The reversal of 97838747 is 74783879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97838747 - 2⁶ = 97838683 is a prime.

Together with 97838749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97838749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48919373 + 48919374.

It is an arithmetic number, because the mean of its divisors is an integer number (48919374).

Almost surely, 2^97838747 is an apocalyptic number.

97838747 is a deficient number, since it is larger than the sum of its proper divisors (1).

97838747 is an equidigital number, since it uses as much as digits as its factorization.

97838747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 53.

The square root of 97838747 is about 9891.3470771175. The cubic root of 97838747 is about 460.7906173617.

The spelling of 97838747 in words is "ninety-seven million, eight hundred thirty-eight thousand, seven hundred forty-seven".