78741181349 has 8 divisors (see below), whose sum is σ = 83478967488. Its totient is φ = 74015167680.

The previous prime is 78741181339. The next prime is 78741181381. The reversal of 78741181349 is 94318114787.

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 78741181349 - 2⁸ = 78741181093 is a prime.

It is a super-2 number, since 2×78741181349² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78741181349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78741181339) 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, 2929337 + ... + 2956094.

It is an arithmetic number, because the mean of its divisors is an integer number (10434870936).

Almost surely, 2^78741181349 is an apocalyptic number.

It is an amenable number.

78741181349 is a deficient number, since it is larger than the sum of its proper divisors (4737786139).

78741181349 is a wasteful number, since it uses less digits than its factorization.

78741181349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886235.

The product of its digits is 1354752, while the sum is 53.

The spelling of 78741181349 in words is "seventy-eight billion, seven hundred forty-one million, one hundred eighty-one thousand, three hundred forty-nine".