118783397 has 2 divisors, whose sum is σ = 118783398. Its totient is φ = 118783396.

The previous prime is 118783393. The next prime is 118783439. The reversal of 118783397 is 793387811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77193796 + 41589601 = 8786^2 + 6449^2 .

It is an emirp because it is prime and its reverse (793387811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118783397 - 2² = 118783393 is a prime.

It is a super-3 number, since 3×118783397³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118783393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59391698 + 59391699.

It is an arithmetic number, because the mean of its divisors is an integer number (59391699).

Almost surely, 2^118783397 is an apocalyptic number.

It is an amenable number.

118783397 is a deficient number, since it is larger than the sum of its proper divisors (1).

118783397 is an equidigital number, since it uses as much as digits as its factorization.

118783397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 118783397 is about 10898.7796105803. The cubic root of 118783397 is about 491.5698602984.

The spelling of 118783397 in words is "one hundred eighteen million, seven hundred eighty-three thousand, three hundred ninety-seven".