7957382261 has 2 divisors, whose sum is σ = 7957382262. Its totient is φ = 7957382260.

The previous prime is 7957382179. The next prime is 7957382273. The reversal of 7957382261 is 1622837597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4986478225 + 2970904036 = 70615^2 + 54506^2 .

It is a cyclic number.

It is not a de Polignac number, because 7957382261 - 2¹⁴ = 7957365877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7957382861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3978691130 + 3978691131.

It is an arithmetic number, because the mean of its divisors is an integer number (3978691131).

Almost surely, 2^7957382261 is an apocalyptic number.

It is an amenable number.

7957382261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7957382261 is an equidigital number, since it uses as much as digits as its factorization.

7957382261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The square root of 7957382261 is about 89204.1605587990. The cubic root of 7957382261 is about 1996.4421965201.

The spelling of 7957382261 in words is "seven billion, nine hundred fifty-seven million, three hundred eighty-two thousand, two hundred sixty-one".