274678871 has 2 divisors, whose sum is σ = 274678872. Its totient is φ = 274678870.

The previous prime is 274678837. The next prime is 274678891. The reversal of 274678871 is 178876472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274678871 - 2²² = 270484567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274678891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137339435 + 137339436.

It is an arithmetic number, because the mean of its divisors is an integer number (137339436).

Almost surely, 2^274678871 is an apocalyptic number.

274678871 is a deficient number, since it is larger than the sum of its proper divisors (1).

274678871 is an equidigital number, since it uses as much as digits as its factorization.

274678871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1053696, while the sum is 50.

The square root of 274678871 is about 16573.4387198312. The cubic root of 274678871 is about 650.0424989964.

The spelling of 274678871 in words is "two hundred seventy-four million, six hundred seventy-eight thousand, eight hundred seventy-one".