116781854 has 8 divisors (see below), whose sum is σ = 200197488. Its totient is φ = 50049360.

The previous prime is 116781799. The next prime is 116781859. The reversal of 116781854 is 458187611.

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

It is a super-3 number, since 3×116781854³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116781859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4170767 + ... + 4170794.

It is an arithmetic number, because the mean of its divisors is an integer number (25024686).

Almost surely, 2^116781854 is an apocalyptic number.

116781854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

116781854 is a deficient number, since it is larger than the sum of its proper divisors (83415634).

116781854 is an equidigital number, since it uses as much as digits as its factorization.

116781854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341570.

The product of its digits is 53760, while the sum is 41.

The square root of 116781854 is about 10806.5653192862. The cubic root of 116781854 is about 488.7931622454.

The spelling of 116781854 in words is "one hundred sixteen million, seven hundred eighty-one thousand, eight hundred fifty-four".