116781286 has 8 divisors (see below), whose sum is σ = 176332464. Its totient is φ = 58003800.

The previous prime is 116781257. The next prime is 116781299. The reversal of 116781286 is 682187611.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193045 + ... + 193648.

It is an arithmetic number, because the mean of its divisors is an integer number (22041558).

Almost surely, 2^116781286 is an apocalyptic number.

116781286 is a deficient number, since it is larger than the sum of its proper divisors (59551178).

116781286 is a wasteful number, since it uses less digits than its factorization.

116781286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386846.

The product of its digits is 32256, while the sum is 40.

The square root of 116781286 is about 10806.5390389338. The cubic root of 116781286 is about 488.7923697851.

The spelling of 116781286 in words is "one hundred sixteen million, seven hundred eighty-one thousand, two hundred eighty-six".