897099965 has 8 divisors (see below), whose sum is σ = 1105615320. Its totient is φ = 698283072.

The previous prime is 897099961. The next prime is 897099971. The reversal of 897099965 is 569990798.

It can be written as a sum of positive squares in 4 ways, for example, as 188156089 + 708943876 = 13717^2 + 26626^2 .

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 897099965 - 2² = 897099961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897099898 and 897099907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897099961) 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 in 7 ways as a sum of consecutive naturals, for example, 2424410 + ... + 2424779.

It is an arithmetic number, because the mean of its divisors is an integer number (138201915).

Almost surely, 2^897099965 is an apocalyptic number.

It is an amenable number.

897099965 is a deficient number, since it is larger than the sum of its proper divisors (208515355).

897099965 is a wasteful number, since it uses less digits than its factorization.

897099965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849231.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The square root of 897099965 is about 29951.6270843505. The cubic root of 897099965 is about 964.4512491256.

The spelling of 897099965 in words is "eight hundred ninety-seven million, ninety-nine thousand, nine hundred sixty-five".