78411116 has 12 divisors (see below), whose sum is σ = 156822288. Its totient is φ = 33604752.

The previous prime is 78411097. The next prime is 78411127. The reversal of 78411116 is 61111487.

78411116 is an admirable number.

It is a super-2 number, since 2×78411116² = 12296606224730912, which contains 22 as substring.

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, 1400171 + ... + 1400226.

It is an arithmetic number, because the mean of its divisors is an integer number (13068524).

Almost surely, 2^78411116 is an apocalyptic number.

It is an amenable number.

78411116 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.

78411116 is a wasteful number, since it uses less digits than its factorization.

78411116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800408 (or 2800406 counting only the distinct ones).

The product of its digits is 1344, while the sum is 29.

The square root of 78411116 is about 8855.0051383384. The cubic root of 78411116 is about 428.0152191287.

The spelling of 78411116 in words is "seventy-eight million, four hundred eleven thousand, one hundred sixteen".