264195377 has 2 divisors, whose sum is σ = 264195378. Its totient is φ = 264195376.

The previous prime is 264195367. The next prime is 264195401. The reversal of 264195377 is 773591462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141229456 + 122965921 = 11884^2 + 11089^2 .

It is a cyclic number.

It is not a de Polignac number, because 264195377 - 2⁶ = 264195313 is a prime.

It is not a weakly prime, because it can be changed into another prime (264195367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132097688 + 132097689.

It is an arithmetic number, because the mean of its divisors is an integer number (132097689).

Almost surely, 2^264195377 is an apocalyptic number.

It is an amenable number.

264195377 is a deficient number, since it is larger than the sum of its proper divisors (1).

264195377 is an equidigital number, since it uses as much as digits as its factorization.

264195377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 264195377 is about 16254.0880088672. The cubic root of 264195377 is about 641.6650791063.

The spelling of 264195377 in words is "two hundred sixty-four million, one hundred ninety-five thousand, three hundred seventy-seven".