1117339780 has 24 divisors (see below), whose sum is σ = 2379464640. Its totient is φ = 440640480.

The previous prime is 1117339759. The next prime is 1117339787. The reversal of 1117339780 is 879337111.

It is not an unprimeable number, because it can be changed into a prime (1117339787) 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, 392010 + ... + 394849.

It is an arithmetic number, because the mean of its divisors is an integer number (99144360).

Almost surely, 2^1117339780 is an apocalyptic number.

1117339780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1117339780 is an abundant number, since it is smaller than the sum of its proper divisors (1262124860).

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

1117339780 is a wasteful number, since it uses less digits than its factorization.

1117339780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786939 (or 786937 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 1117339780 is about 33426.6327948240. The cubic root of 1117339780 is about 1037.6759556411.

The spelling of 1117339780 in words is "one billion, one hundred seventeen million, three hundred thirty-nine thousand, seven hundred eighty".