897610881 has 8 divisors (see below), whose sum is σ = 1197114304. Its totient is φ = 598257360.

The previous prime is 897610843. The next prime is 897610943. The reversal of 897610881 is 188016798.

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

It is not a de Polignac number, because 897610881 - 2⁶ = 897610817 is a prime.

It is a super-2 number, since 2×897610881² = 1611410587379192322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 897610881.

It is not an unprimeable number, because it can be changed into a prime (897610801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22666 + ... + 48051.

It is an arithmetic number, because the mean of its divisors is an integer number (149639288).

Almost surely, 2^897610881 is an apocalyptic number.

It is an amenable number.

897610881 is a deficient number, since it is larger than the sum of its proper divisors (299503423).

897610881 is a wasteful number, since it uses less digits than its factorization.

897610881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74951.

The product of its (nonzero) digits is 193536, while the sum is 48.

The square root of 897610881 is about 29960.1548894528. The cubic root of 897610881 is about 964.6343056704.

The spelling of 897610881 in words is "eight hundred ninety-seven million, six hundred ten thousand, eight hundred eighty-one".