1177871648 has 18 divisors (see below), whose sum is σ = 2319317091. Its totient is φ = 588838752.

The previous prime is 1177871621. The next prime is 1177871663. The reversal of 1177871648 is 8461787711.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 588935824 + 588935824 = 24268^2 + 24268^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24268.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1177871596 and 1177871605.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 191111 + ... + 197177.

Almost surely, 2^1177871648 is an apocalyptic number.

It is an amenable number.

1177871648 is a deficient number, since it is larger than the sum of its proper divisors (1141445443).

1177871648 is an frugal number, since it uses more digits than its factorization.

1177871648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12144 (or 6069 counting only the distinct ones).

The product of its digits is 526848, while the sum is 50.

The square root of 1177871648 is about 34320.1347316703. The cubic root of 1177871648 is about 1056.0860907009.

Multiplying 1177871648 by its sum of digits (50), we get a square (58893582400 = 242680²).

The spelling of 1177871648 in words is "one billion, one hundred seventy-seven million, eight hundred seventy-one thousand, six hundred forty-eight".