264879757 has 2 divisors, whose sum is σ = 264879758. Its totient is φ = 264879756.

The previous prime is 264879749. The next prime is 264879761. The reversal of 264879757 is 757978462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264192516 + 687241 = 16254^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 264879757 - 2³ = 264879749 is a prime.

It is a super-2 number, since 2×264879757² = 140322571336758098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264879698 and 264879707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264879157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132439878 + 132439879.

It is an arithmetic number, because the mean of its divisors is an integer number (132439879).

Almost surely, 2^264879757 is an apocalyptic number.

It is an amenable number.

264879757 is a deficient number, since it is larger than the sum of its proper divisors (1).

264879757 is an equidigital number, since it uses as much as digits as its factorization.

264879757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 55.

The square root of 264879757 is about 16275.1269426693. The cubic root of 264879757 is about 642.2186644956.

The spelling of 264879757 in words is "two hundred sixty-four million, eight hundred seventy-nine thousand, seven hundred fifty-seven".