97347839 has 2 divisors, whose sum is σ = 97347840. Its totient is φ = 97347838.

The previous prime is 97347823. The next prime is 97347841. The reversal of 97347839 is 93874379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97347839 - 2⁴ = 97347823 is a prime.

Together with 97347841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97347889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48673919 + 48673920.

It is an arithmetic number, because the mean of its divisors is an integer number (48673920).

Almost surely, 2^97347839 is an apocalyptic number.

97347839 is a deficient number, since it is larger than the sum of its proper divisors (1).

97347839 is an equidigital number, since it uses as much as digits as its factorization.

97347839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 97347839 is about 9866.5008488319. The cubic root of 97347839 is about 460.0186492124.

The spelling of 97347839 in words is "ninety-seven million, three hundred forty-seven thousand, eight hundred thirty-nine".