870897369 has 32 divisors (see below), whose sum is σ = 1291403520. Its totient is φ = 519247872.

The previous prime is 870897367. The next prime is 870897409. The reversal of 870897369 is 963798078.

It is not a de Polignac number, because 870897369 - 2¹ = 870897367 is a prime.

It is a super-2 number, since 2×870897369² = 1516924454662244322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (870897367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181797 + ... + 186525.

It is an arithmetic number, because the mean of its divisors is an integer number (40356360).

Almost surely, 2^870897369 is an apocalyptic number.

It is an amenable number.

870897369 is a deficient number, since it is larger than the sum of its proper divisors (420506151).

870897369 is a wasteful number, since it uses less digits than its factorization.

870897369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 870897369 is about 29510.9703161384. The cubic root of 870897369 is about 954.9683821298.

The spelling of 870897369 in words is "eight hundred seventy million, eight hundred ninety-seven thousand, three hundred sixty-nine".