897000278 has 4 divisors (see below), whose sum is σ = 1345500420. Its totient is φ = 448500138.

The previous prime is 897000277. The next prime is 897000289. The reversal of 897000278 is 872000798.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897000277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224250068 + ... + 224250071.

It is an arithmetic number, because the mean of its divisors is an integer number (336375105).

Almost surely, 2^897000278 is an apocalyptic number.

897000278 is a deficient number, since it is larger than the sum of its proper divisors (448500142).

897000278 is a wasteful number, since it uses less digits than its factorization.

897000278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448500141.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 897000278 is about 29949.9629048184. The cubic root of 897000278 is about 964.4155240794.

The spelling of 897000278 in words is "eight hundred ninety-seven million, two hundred seventy-eight", and thus it is an aban number.