78104113949 has 8 divisors (see below), whose sum is σ = 81869770752. Its totient is φ = 74427060960.

The previous prime is 78104113907. The next prime is 78104113951. The reversal of 78104113949 is 94931140187.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78104113949 is a prime.

It is a super-2 number, since 2×78104113949² (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 (78104113249) 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, 22149149 + ... + 22152674.

It is an arithmetic number, because the mean of its divisors is an integer number (10233721344).

Almost surely, 2^78104113949 is an apocalyptic number.

It is an amenable number.

78104113949 is a deficient number, since it is larger than the sum of its proper divisors (3765656803).

78104113949 is a wasteful number, since it uses less digits than its factorization.

78104113949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44301907.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 78104113949 in words is "seventy-eight billion, one hundred four million, one hundred thirteen thousand, nine hundred forty-nine".