78416940313 has 8 divisors (see below), whose sum is σ = 79358819040. Its totient is φ = 77476412640.

The previous prime is 78416940299. The next prime is 78416940317. The reversal of 78416940313 is 31304961487.

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

It is a cyclic number.

It is not a de Polignac number, because 78416940313 - 2⁹ = 78416939801 is a prime.

It is a super-2 number, since 2×78416940313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78416940317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220743 + ... + 453388.

It is an arithmetic number, because the mean of its divisors is an integer number (9919852380).

Almost surely, 2^78416940313 is an apocalyptic number.

It is an amenable number.

78416940313 is a deficient number, since it is larger than the sum of its proper divisors (941878727).

78416940313 is a wasteful number, since it uses less digits than its factorization.

78416940313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675527.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 78416940313 in words is "seventy-eight billion, four hundred sixteen million, nine hundred forty thousand, three hundred thirteen".