78850536078338 has 32 divisors (see below), whose sum is σ = 118630536691968. Its totient is φ = 39307229769600.

The previous prime is 78850536078299. The next prime is 78850536078361. The reversal of 78850536078338 is 83387063505887.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4894196903 + ... + 4894213013.

It is an arithmetic number, because the mean of its divisors is an integer number (3707204271624).

Almost surely, 2^{78850536078338} is an apocalyptic number.

78850536078338 is a deficient number, since it is larger than the sum of its proper divisors (39780000613630).

78850536078338 is a wasteful number, since it uses less digits than its factorization.

78850536078338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22058.

The product of its (nonzero) digits is 812851200, while the sum is 71.

The spelling of 78850536078338 in words is "seventy-eight trillion, eight hundred fifty billion, five hundred thirty-six million, seventy-eight thousand, three hundred thirty-eight".