276009897 has 8 divisors (see below), whose sum is σ = 375843456. Its totient is φ = 180091472.

The previous prime is 276009889. The next prime is 276009919. The reversal of 276009897 is 798900672.

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

It is a cyclic number.

It is not a de Polignac number, because 276009897 - 2³ = 276009889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276009857) 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, 978618 + ... + 978899.

It is an arithmetic number, because the mean of its divisors is an integer number (46980432).

Almost surely, 2^276009897 is an apocalyptic number.

It is an amenable number.

276009897 is a deficient number, since it is larger than the sum of its proper divisors (99833559).

276009897 is a wasteful number, since it uses less digits than its factorization.

276009897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957567.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 276009897 is about 16613.5455878629. The cubic root of 276009897 is about 651.0907893888.

The spelling of 276009897 in words is "two hundred seventy-six million, nine thousand, eight hundred ninety-seven".