264989077 has 4 divisors (see below), whose sum is σ = 265080096. Its totient is φ = 264898060.

The previous prime is 264989071. The next prime is 264989083. The reversal of 264989077 is 770989462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (264989071) and next prime (264989083).

It is a cyclic number.

It is not a de Polignac number, because 264989077 - 2²³ = 256600469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264989071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40993 + ... + 47014.

It is an arithmetic number, because the mean of its divisors is an integer number (66270024).

Almost surely, 2^264989077 is an apocalyptic number.

It is an amenable number.

264989077 is a deficient number, since it is larger than the sum of its proper divisors (91019).

264989077 is an equidigital number, since it uses as much as digits as its factorization.

264989077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91018.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 264989077 is about 16278.4850953644. The cubic root of 264989077 is about 642.3070035579.

The spelling of 264989077 in words is "two hundred sixty-four million, nine hundred eighty-nine thousand, seventy-seven".