9877237164 has 18 divisors (see below), whose sum is σ = 24967460700. Its totient is φ = 3292412376.

The previous prime is 9877237163. The next prime is 9877237189. The reversal of 9877237164 is 4617327789.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 9877237164.

It is not an unprimeable number, because it can be changed into a prime (9877237163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137183814 + ... + 137183885.

It is an arithmetic number, because the mean of its divisors is an integer number (1387081150).

Almost surely, 2^9877237164 is an apocalyptic number.

It is an amenable number.

9877237164 is an abundant number, since it is smaller than the sum of its proper divisors (15090223536).

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

9877237164 is a wasteful number, since it uses less digits than its factorization.

9877237164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274367709 (or 274367704 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 9877237164 is about 99384.2903279990. The cubic root of 9877237164 is about 2145.5822150139.

The spelling of 9877237164 in words is "nine billion, eight hundred seventy-seven million, two hundred thirty-seven thousand, one hundred sixty-four".