78561119342 has 16 divisors (see below), whose sum is σ = 121887878112. Its totient is φ = 37950430080.

The previous prime is 78561119339. The next prime is 78561119347. The reversal of 78561119342 is 24391116587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78561119347) 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, 4642343 + ... + 4659234.

It is an arithmetic number, because the mean of its divisors is an integer number (7617992382).

Almost surely, 2^78561119342 is an apocalyptic number.

78561119342 is a deficient number, since it is larger than the sum of its proper divisors (43326758770).

78561119342 is a wasteful number, since it uses less digits than its factorization.

78561119342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301723.

The product of its digits is 362880, while the sum is 47.

The spelling of 78561119342 in words is "seventy-eight billion, five hundred sixty-one million, one hundred nineteen thousand, three hundred forty-two".