1180778496 has 60 divisors (see below), whose sum is σ = 3148777632. Its totient is φ = 393576448.

The previous prime is 1180778479. The next prime is 1180778497. The reversal of 1180778496 is 6948770811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180778497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37141 + ... + 61163.

Almost surely, 2^1180778496 is an apocalyptic number.

1180778496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1180778496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574388816).

1180778496 is an abundant number, since it is smaller than the sum of its proper divisors (1967999136).

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

1180778496 is an frugal number, since it uses more digits than its factorization.

1180778496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24054 (or 24028 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The square root of 1180778496 is about 34362.4576536662. The cubic root of 1180778496 is about 1056.9541422225.

The spelling of 1180778496 in words is "one billion, one hundred eighty million, seven hundred seventy-eight thousand, four hundred ninety-six".