78538329113 has 8 divisors (see below), whose sum is σ = 80673003648. Its totient is φ = 76422973264.

The previous prime is 78538329071. The next prime is 78538329137. The reversal of 78538329113 is 31192383587.

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 78538329113 - 2⁶ = 78538329049 is a prime.

It is a super-3 number, since 3×78538329113³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78538329413) 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, 4821431 + ... + 4837692.

It is an arithmetic number, because the mean of its divisors is an integer number (10084125456).

Almost surely, 2^78538329113 is an apocalyptic number.

It is an amenable number.

78538329113 is a deficient number, since it is larger than the sum of its proper divisors (2134674535).

78538329113 is a wasteful number, since it uses less digits than its factorization.

78538329113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9659343.

The product of its digits is 1088640, while the sum is 50.

The spelling of 78538329113 in words is "seventy-eight billion, five hundred thirty-eight million, three hundred twenty-nine thousand, one hundred thirteen".