264779965 has 8 divisors (see below), whose sum is σ = 317910528. Its totient is φ = 211707600.

The previous prime is 264779941. The next prime is 264779969. The reversal of 264779965 is 569977462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264779965 - 2¹⁷ = 264648893 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 (264779969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817 + ... + 23326.

It is an arithmetic number, because the mean of its divisors is an integer number (39738816).

Almost surely, 2^264779965 is an apocalyptic number.

It is an amenable number.

264779965 is a deficient number, since it is larger than the sum of its proper divisors (53130563).

264779965 is a wasteful number, since it uses less digits than its factorization.

264779965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29099.

The product of its digits is 5715360, while the sum is 55.

The square root of 264779965 is about 16272.0608713217. The cubic root of 264779965 is about 642.1380035752.

The spelling of 264779965 in words is "two hundred sixty-four million, seven hundred seventy-nine thousand, nine hundred sixty-five".