245469879 has 8 divisors (see below), whose sum is σ = 363659120. Its totient is φ = 163646568.

The previous prime is 245469839. The next prime is 245469881. The reversal of 245469879 is 978964542.

245469879 is a `hidden beast` number, since 2 + 4 + 546 + 98 + 7 + 9 = 666.

It is not a de Polignac number, because 245469879 - 2²⁴ = 228692663 is a prime.

It is a super-2 number, since 2×245469879² = 120510922992549282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245469839) 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, 4545712 + ... + 4545765.

It is an arithmetic number, because the mean of its divisors is an integer number (45457390).

Almost surely, 2^245469879 is an apocalyptic number.

245469879 is a deficient number, since it is larger than the sum of its proper divisors (118189241).

245469879 is an equidigital number, since it uses as much as digits as its factorization.

245469879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091486 (or 9091480 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 245469879 is about 15667.4783867730. The cubic root of 245469879 is about 626.1322443444.

The spelling of 245469879 in words is "two hundred forty-five million, four hundred sixty-nine thousand, eight hundred seventy-nine".