870320471 has 4 divisors (see below), whose sum is σ = 872513112. Its totient is φ = 868127832.

The previous prime is 870320449. The next prime is 870320513. The reversal of 870320471 is 174023078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 870320471 - 2¹⁰ = 870319447 is a prime.

It is a super-3 number, since 3×870320471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870322471) 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, 1095725 + ... + 1096518.

It is an arithmetic number, because the mean of its divisors is an integer number (218128278).

Almost surely, 2^870320471 is an apocalyptic number.

870320471 is a deficient number, since it is larger than the sum of its proper divisors (2192641).

870320471 is a wasteful number, since it uses less digits than its factorization.

870320471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192640.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 870320471 is about 29501.1943995493. The cubic root of 870320471 is about 954.7574728385.

The spelling of 870320471 in words is "eight hundred seventy million, three hundred twenty thousand, four hundred seventy-one".