78013316 has 24 divisors (see below), whose sum is σ = 147598080. Its totient is φ = 35953632.

The previous prime is 78013307. The next prime is 78013321. The reversal of 78013316 is 61331087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11060 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (6149920).

Almost surely, 2^78013316 is an apocalyptic number.

78013316 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78013316 is a deficient number, since it is larger than the sum of its proper divisors (69584764).

78013316 is a wasteful number, since it uses less digits than its factorization.

78013316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27803 (or 27801 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 78013316 is about 8832.5147042051. The cubic root of 78013316 is about 427.2901807705.

The spelling of 78013316 in words is "seventy-eight million, thirteen thousand, three hundred sixteen".