116778516842 has 8 divisors (see below), whose sum is σ = 188642219556. Its totient is φ = 53897776992.

The previous prime is 116778516797. The next prime is 116778516901. The reversal of 116778516842 is 248615877611.

It can be written as a sum of positive squares in 2 ways, for example, as 87225124921 + 29553391921 = 295339^2 + 171911^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245740683 + ... + 2245740734.

Almost surely, 2^116778516842 is an apocalyptic number.

116778516842 is a deficient number, since it is larger than the sum of its proper divisors (71863702714).

116778516842 is a wasteful number, since it uses less digits than its factorization.

116778516842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491481432.

The product of its digits is 4515840, while the sum is 56.

The spelling of 116778516842 in words is "one hundred sixteen billion, seven hundred seventy-eight million, five hundred sixteen thousand, eight hundred forty-two".