275116864 has 28 divisors (see below), whose sum is σ = 595567008. Its totient is φ = 125052800.

The previous prime is 275116859. The next prime is 275116871. The reversal of 275116864 is 468611572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194692 + ... + 196099.

Almost surely, 2^275116864 is an apocalyptic number.

It is an amenable number.

275116864 is an abundant number, since it is smaller than the sum of its proper divisors (320450144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275116864 is a wasteful number, since it uses less digits than its factorization.

275116864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390814 (or 390804 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 275116864 is about 16586.6471596884. The cubic root of 275116864 is about 650.3878269370.

The spelling of 275116864 in words is "two hundred seventy-five million, one hundred sixteen thousand, eight hundred sixty-four".