1178496864 has 120 divisors (see below), whose sum is σ = 3479564088. Its totient is φ = 391288320.

The previous prime is 1178496853. The next prime is 1178496877. The reversal of 1178496864 is 4686948711.

1178496864 is a `hidden beast` number, since 1 + 1 + 78 + 496 + 86 + 4 = 666.

1178496864 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1178496864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 795004 + ... + 796484.

Almost surely, 2^1178496864 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 1178496864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739782044).

1178496864 is an abundant number, since it is smaller than the sum of its proper divisors (2301067224).

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

1178496864 is a wasteful number, since it uses less digits than its factorization.

1178496864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1793 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1178496864 is about 34329.2421122285. The cubic root of 1178496864 is about 1056.2729149984.

The spelling of 1178496864 in words is "one billion, one hundred seventy-eight million, four hundred ninety-six thousand, eight hundred sixty-four".