870603897 has 4 divisors (see below), whose sum is σ = 1160805200. Its totient is φ = 580402596.

The previous prime is 870603857. The next prime is 870603919. The reversal of 870603897 is 798306078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 870603897 - 2¹⁵ = 870571129 is a prime.

It is a super-2 number, since 2×870603897² = 1515902290943173218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870603827) 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 3 ways as a sum of consecutive naturals, for example, 145100647 + ... + 145100652.

It is an arithmetic number, because the mean of its divisors is an integer number (290201300).

Almost surely, 2^870603897 is an apocalyptic number.

It is an amenable number.

870603897 is a deficient number, since it is larger than the sum of its proper divisors (290201303).

870603897 is a wasteful number, since it uses less digits than its factorization.

870603897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290201302.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 870603897 is about 29505.9976445468. The cubic root of 870603897 is about 954.8611027585.

The spelling of 870603897 in words is "eight hundred seventy million, six hundred three thousand, eight hundred ninety-seven".