1177495648 has 48 divisors (see below), whose sum is σ = 2656239264. Its totient is φ = 503331840.

The previous prime is 1177495643. The next prime is 1177495651. The reversal of 1177495648 is 8465947711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1177495595 and 1177495604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177495643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82308 + ... + 95548.

It is an arithmetic number, because the mean of its divisors is an integer number (55338318).

Almost surely, 2^1177495648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1177495648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328119632).

1177495648 is an abundant number, since it is smaller than the sum of its proper divisors (1478743616).

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

1177495648 is a wasteful number, since it uses less digits than its factorization.

1177495648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13655 (or 13647 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 1177495648 is about 34314.6564604689. The cubic root of 1177495648 is about 1055.9737041968.

The spelling of 1177495648 in words is "one billion, one hundred seventy-seven million, four hundred ninety-five thousand, six hundred forty-eight".