897055506 has 16 divisors (see below), whose sum is σ = 1993456800. Its totient is φ = 299018484.

The previous prime is 897055501. The next prime is 897055513. The reversal of 897055506 is 605550798.

897055506 is a `hidden beast` number, since 8 + 97 + 0 + 5 + 550 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (897055501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8306016 + ... + 8306123.

It is an arithmetic number, because the mean of its divisors is an integer number (124591050).

Almost surely, 2^897055506 is an apocalyptic number.

897055506 is an abundant number, since it is smaller than the sum of its proper divisors (1096401294).

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

897055506 is a wasteful number, since it uses less digits than its factorization.

897055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16612150 (or 16612144 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 897055506 is about 29950.8848951079. The cubic root of 897055506 is about 964.4353165844.

The spelling of 897055506 in words is "eight hundred ninety-seven million, fifty-five thousand, five hundred six".