274879869 has 8 divisors (see below), whose sum is σ = 399825312. Its totient is φ = 166593840.

The previous prime is 274879853. The next prime is 274879901. The reversal of 274879869 is 968978472.

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

It is not a de Polignac number, because 274879869 - 2⁴ = 274879853 is a prime.

It is a super-2 number, since 2×274879869² = 151117884762914322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274879169) 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, 4164814 + ... + 4164879.

It is an arithmetic number, because the mean of its divisors is an integer number (49978164).

Almost surely, 2^274879869 is an apocalyptic number.

It is an amenable number.

274879869 is a deficient number, since it is larger than the sum of its proper divisors (124945443).

274879869 is a wasteful number, since it uses less digits than its factorization.

274879869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329707.

The product of its digits is 12192768, while the sum is 60.

The square root of 274879869 is about 16579.5014701890. The cubic root of 274879869 is about 650.2010179060.

The spelling of 274879869 in words is "two hundred seventy-four million, eight hundred seventy-nine thousand, eight hundred sixty-nine".