897999075 has 96 divisors (see below), whose sum is σ = 1762387200. Its totient is φ = 446722560.

The previous prime is 897999049. The next prime is 897999077. The reversal of 897999075 is 570999798.

It is not a de Polignac number, because 897999075 - 2⁷ = 897998947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897999077) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1594744 + ... + 1595306.

It is an arithmetic number, because the mean of its divisors is an integer number (18358200).

Almost surely, 2^897999075 is an apocalyptic number.

897999075 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

897999075 is a deficient number, since it is larger than the sum of its proper divisors (864388125).

897999075 is a wasteful number, since it uses less digits than its factorization.

897999075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 63.

The square root of 897999075 is about 29966.6326937145. The cubic root of 897999075 is about 964.7733456072.

The spelling of 897999075 in words is "eight hundred ninety-seven million, nine hundred ninety-nine thousand, seventy-five".