1161978702 has 8 divisors (see below), whose sum is σ = 2323957416. Its totient is φ = 387326232.

The previous prime is 1161978683. The next prime is 1161978703. The reversal of 1161978702 is 2078791611.

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

1161978702 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161978703) 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 3 ways as a sum of consecutive naturals, for example, 96831553 + ... + 96831564.

It is an arithmetic number, because the mean of its divisors is an integer number (290494677).

Almost surely, 2^1161978702 is an apocalyptic number.

1161978702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1161978702 is a wasteful number, since it uses less digits than its factorization.

1161978702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193663122.

The product of its (nonzero) digits is 42336, while the sum is 42.

The square root of 1161978702 is about 34087.8087004724. The cubic root of 1161978702 is about 1051.3146652885.

The spelling of 1161978702 in words is "one billion, one hundred sixty-one million, nine hundred seventy-eight thousand, seven hundred two".