78835336013 has 8 divisors (see below), whose sum is σ = 90102560640. Its totient is φ = 67569369840.

The previous prime is 78835335989. The next prime is 78835336043. The reversal of 78835336013 is 31063353887.

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

It is not a de Polignac number, because 78835336013 - 2⁶ = 78835335949 is a prime.

It is a super-3 number, since 3×78835336013³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78835336043) 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, 176318 + ... + 434463.

It is an arithmetic number, because the mean of its divisors is an integer number (11262820080).

Almost surely, 2^78835336013 is an apocalyptic number.

It is an amenable number.

78835336013 is a deficient number, since it is larger than the sum of its proper divisors (11267224627).

78835336013 is a wasteful number, since it uses less digits than its factorization.

78835336013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629227.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 78835336013 in words is "seventy-eight billion, eight hundred thirty-five million, three hundred thirty-six thousand, thirteen".