897904655 has 8 divisors (see below), whose sum is σ = 1077925200. Its totient is φ = 718030656.

The previous prime is 897904643. The next prime is 897904669. The reversal of 897904655 is 556409798.

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 897904655 - 2²⁴ = 881127439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897904597 and 897904606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22670 + ... + 48059.

It is an arithmetic number, because the mean of its divisors is an integer number (134740650).

Almost surely, 2^897904655 is an apocalyptic number.

897904655 is a deficient number, since it is larger than the sum of its proper divisors (180020545).

897904655 is a wasteful number, since it uses less digits than its factorization.

897904655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73273.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 897904655 is about 29965.0572333844. The cubic root of 897904655 is about 964.7395307645.

The spelling of 897904655 in words is "eight hundred ninety-seven million, nine hundred four thousand, six hundred fifty-five".