264397677 has 8 divisors (see below), whose sum is σ = 353785920. Its totient is φ = 175637280.

The previous prime is 264397631. The next prime is 264397687. The reversal of 264397677 is 776793462.

It is a happy number.

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

It is not a de Polignac number, because 264397677 - 2¹⁰ = 264396653 is a prime.

It is a super-2 number, since 2×264397677² = 139812263205992658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264397687) 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, 155977 + ... + 157662.

It is an arithmetic number, because the mean of its divisors is an integer number (44223240).

Almost surely, 2^264397677 is an apocalyptic number.

It is an amenable number.

264397677 is a deficient number, since it is larger than the sum of its proper divisors (89388243).

264397677 is a wasteful number, since it uses less digits than its factorization.

264397677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313923.

The product of its digits is 2667168, while the sum is 51.

The square root of 264397677 is about 16260.3098678961. The cubic root of 264397677 is about 641.8288161716.

The spelling of 264397677 in words is "two hundred sixty-four million, three hundred ninety-seven thousand, six hundred seventy-seven".