78673850842 has 8 divisors (see below), whose sum is σ = 118061236800. Its totient is φ = 39320105244.

The previous prime is 78673850839. The next prime is 78673850909. The reversal of 78673850842 is 24805837687.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8404242 + ... + 8413597.

It is an arithmetic number, because the mean of its divisors is an integer number (14757654600).

Almost surely, 2^78673850842 is an apocalyptic number.

78673850842 is a deficient number, since it is larger than the sum of its proper divisors (39387385958).

78673850842 is a wasteful number, since it uses less digits than its factorization.

78673850842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16820180.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 78673850842 in words is "seventy-eight billion, six hundred seventy-three million, eight hundred fifty thousand, eight hundred forty-two".