265477379 has 4 divisors (see below), whose sum is σ = 267958584. Its totient is φ = 262996176.

The previous prime is 265477349. The next prime is 265477391. The reversal of 265477379 is 973774562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265477379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265477309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240442 + ... + 1240655.

It is an arithmetic number, because the mean of its divisors is an integer number (66989646).

Almost surely, 2^265477379 is an apocalyptic number.

265477379 is a deficient number, since it is larger than the sum of its proper divisors (2481205).

265477379 is a wasteful number, since it uses less digits than its factorization.

265477379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481204.

The product of its digits is 2222640, while the sum is 50.

The square root of 265477379 is about 16293.4765780665. The cubic root of 265477379 is about 642.7012931947.

The spelling of 265477379 in words is "two hundred sixty-five million, four hundred seventy-seven thousand, three hundred seventy-nine".