264456377 has 2 divisors, whose sum is σ = 264456378. Its totient is φ = 264456376.

The previous prime is 264456373. The next prime is 264456391. The reversal of 264456377 is 773654462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143544361 + 120912016 = 11981^2 + 10996^2 .

It is a cyclic number.

It is not a de Polignac number, because 264456377 - 2² = 264456373 is a prime.

It is a super-2 number, since 2×264456377² = 139874350671932258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264456373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132228188 + 132228189.

It is an arithmetic number, because the mean of its divisors is an integer number (132228189).

Almost surely, 2^264456377 is an apocalyptic number.

It is an amenable number.

264456377 is a deficient number, since it is larger than the sum of its proper divisors (1).

264456377 is an equidigital number, since it uses as much as digits as its factorization.

264456377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 44.

The square root of 264456377 is about 16262.1147763752. The cubic root of 264456377 is about 641.8763109960.

The spelling of 264456377 in words is "two hundred sixty-four million, four hundred fifty-six thousand, three hundred seventy-seven".