8364973957 has 2 divisors, whose sum is σ = 8364973958. Its totient is φ = 8364973956.

The previous prime is 8364973951. The next prime is 8364973963. The reversal of 8364973957 is 7593794638.

8364973957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (8364973951) and next prime (8364973963).

It can be written as a sum of positive squares in only one way, i.e., 4859623521 + 3505350436 = 69711^2 + 59206^2 .

It is a cyclic number.

It is not a de Polignac number, because 8364973957 - 2¹⁹ = 8364449669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8364973895 and 8364973904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8364973951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4182486978 + 4182486979.

It is an arithmetic number, because the mean of its divisors is an integer number (4182486979).

Almost surely, 2^8364973957 is an apocalyptic number.

It is an amenable number.

8364973957 is a deficient number, since it is larger than the sum of its proper divisors (1).

8364973957 is an equidigital number, since it uses as much as digits as its factorization.

8364973957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 61.

The square root of 8364973957 is about 91460.2315599518. The cubic root of 8364973957 is about 2029.9633533792.

The spelling of 8364973957 in words is "eight billion, three hundred sixty-four million, nine hundred seventy-three thousand, nine hundred fifty-seven".