39119797 has 2 divisors, whose sum is σ = 39119798. Its totient is φ = 39119796.

The previous prime is 39119791. The next prime is 39119807. The reversal of 39119797 is 79791193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 9678321 = 5426^2 + 3111^2 .

It is an emirp because it is prime and its reverse (79791193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39119797 - 2³ = 39119789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39119791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19559898 + 19559899.

It is an arithmetic number, because the mean of its divisors is an integer number (19559899).

Almost surely, 2^39119797 is an apocalyptic number.

It is an amenable number.

39119797 is a deficient number, since it is larger than the sum of its proper divisors (1).

39119797 is an equidigital number, since it uses as much as digits as its factorization.

39119797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107163, while the sum is 46.

The square root of 39119797 is about 6254.5820803632. The cubic root of 39119797 is about 339.4680175465.

The spelling of 39119797 in words is "thirty-nine million, one hundred nineteen thousand, seven hundred ninety-seven".