870603853 has 4 divisors (see below), whose sum is σ = 994975840. Its totient is φ = 746231868.

The previous prime is 870603827. The next prime is 870603857. The reversal of 870603853 is 358306078.

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 a cyclic number.

It is not a de Polignac number, because 870603853 - 2¹⁷ = 870472781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870603857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62185983 + ... + 62185996.

It is an arithmetic number, because the mean of its divisors is an integer number (248743960).

Almost surely, 2^870603853 is an apocalyptic number.

It is an amenable number.

870603853 is a deficient number, since it is larger than the sum of its proper divisors (124371987).

870603853 is a wasteful number, since it uses less digits than its factorization.

870603853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124371986.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 870603853 is about 29505.9968989356. The cubic root of 870603853 is about 954.8610866723.

The spelling of 870603853 in words is "eight hundred seventy million, six hundred three thousand, eight hundred fifty-three".