1178798797 has 8 divisors (see below), whose sum is σ = 1291580640. Its totient is φ = 1066953360.

The previous prime is 1178798791. The next prime is 1178798807. The reversal of 1178798797 is 7978978711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1178798797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178798791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231463 + ... + 236500.

It is an arithmetic number, because the mean of its divisors is an integer number (161447580).

Almost surely, 2^1178798797 is an apocalyptic number.

It is an amenable number.

1178798797 is a deficient number, since it is larger than the sum of its proper divisors (112781843).

1178798797 is a wasteful number, since it uses less digits than its factorization.

1178798797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468203.

The product of its digits is 12446784, while the sum is 64.

The square root of 1178798797 is about 34333.6394371468. The cubic root of 1178798797 is about 1056.3631136311.

The spelling of 1178798797 in words is "one billion, one hundred seventy-eight million, seven hundred ninety-eight thousand, seven hundred ninety-seven".