116289278 has 8 divisors (see below), whose sum is σ = 199353072. Its totient is φ = 49838256.

The previous prime is 116289223. The next prime is 116289307. The reversal of 116289278 is 872982611.

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

It is a super-2 number, since 2×116289278² = 27046392355522568, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

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, 4153175 + ... + 4153202.

It is an arithmetic number, because the mean of its divisors is an integer number (24919134).

Almost surely, 2^116289278 is an apocalyptic number.

116289278 is a deficient number, since it is larger than the sum of its proper divisors (83063794).

116289278 is an equidigital number, since it uses as much as digits as its factorization.

116289278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306386.

The product of its digits is 96768, while the sum is 44.

The square root of 116289278 is about 10783.7506462269. The cubic root of 116289278 is about 488.1049643202.

The spelling of 116289278 in words is "one hundred sixteen million, two hundred eighty-nine thousand, two hundred seventy-eight".