78413568311 has 8 divisors (see below), whose sum is σ = 84461727840. Its totient is φ = 72367744032.

The previous prime is 78413568307. The next prime is 78413568407. The reversal of 78413568311 is 11386531487.

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 78413568311 - 2² = 78413568307 is a prime.

It is a super-2 number, since 2×78413568311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413568301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513755 + ... + 648668.

It is an arithmetic number, because the mean of its divisors is an integer number (10557715980).

Almost surely, 2^78413568311 is an apocalyptic number.

78413568311 is a deficient number, since it is larger than the sum of its proper divisors (6048159529).

78413568311 is a wasteful number, since it uses less digits than its factorization.

78413568311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167625.

The product of its digits is 483840, while the sum is 47.

The spelling of 78413568311 in words is "seventy-eight billion, four hundred thirteen million, five hundred sixty-eight thousand, three hundred eleven".