39750797 has 2 divisors, whose sum is σ = 39750798. Its totient is φ = 39750796.

The previous prime is 39750787. The next prime is 39750817. The reversal of 39750797 is 79705793.

39750797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20967241 + 18783556 = 4579^2 + 4334^2 .

It is a cyclic number.

It is not a de Polignac number, because 39750797 - 2¹² = 39746701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39750757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19875398 + 19875399.

It is an arithmetic number, because the mean of its divisors is an integer number (19875399).

Almost surely, 2^39750797 is an apocalyptic number.

It is an amenable number.

39750797 is a deficient number, since it is larger than the sum of its proper divisors (1).

39750797 is an equidigital number, since it uses as much as digits as its factorization.

39750797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 416745, while the sum is 47.

The square root of 39750797 is about 6304.8233123538. The cubic root of 39750797 is about 341.2834907445.

The spelling of 39750797 in words is "thirty-nine million, seven hundred fifty thousand, seven hundred ninety-seven".