9870315612 has 48 divisors (see below), whose sum is σ = 23239923840. Its totient is φ = 3260350528.

The previous prime is 9870315593. The next prime is 9870315629. The reversal of 9870315612 is 2165130789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621523 + ... + 637205.

It is an arithmetic number, because the mean of its divisors is an integer number (484165080).

Almost surely, 2^9870315612 is an apocalyptic number.

It is an amenable number.

9870315612 is an abundant number, since it is smaller than the sum of its proper divisors (13369608228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9870315612 is a wasteful number, since it uses less digits than its factorization.

9870315612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162 (or 16160 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 9870315612 is about 99349.4620619558. The cubic root of 9870315612 is about 2145.0809200024.

The spelling of 9870315612 in words is "nine billion, eight hundred seventy million, three hundred fifteen thousand, six hundred twelve".