2173880536 has 64 divisors (see below), whose sum is σ = 4266108000. Its totient is φ = 1037583360.

The previous prime is 2173880507. The next prime is 2173880537. The reversal of 2173880536 is 6350883712.

It is a junction number, because it is equal to n+sod(n) for n = 2173880492 and 2173880501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173880537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4715346 + ... + 4715806.

Almost surely, 2^2173880536 is an apocalyptic number.

It is an amenable number.

2173880536 is a deficient number, since it is larger than the sum of its proper divisors (2092227464).

2173880536 is a wasteful number, since it uses less digits than its factorization.

2173880536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2173880536 is about 46624.8918068450. The cubic root of 2173880536 is about 1295.4238583127.

The spelling of 2173880536 in words is "two billion, one hundred seventy-three million, eight hundred eighty thousand, five hundred thirty-six".