78882038041738 has 4 divisors (see below), whose sum is σ = 118323057062610. Its totient is φ = 39441019020868.

The previous prime is 78882038041691. The next prime is 78882038041789. The reversal of 78882038041738 is 83714083028887.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53165141022249 + 25716897019489 = 7291443^2 + 5071183^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19720509510433 + ... + 19720509510436.

Almost surely, 2^{78882038041738} is an apocalyptic number.

78882038041738 is a deficient number, since it is larger than the sum of its proper divisors (39441019020872).

78882038041738 is a wasteful number, since it uses less digits than its factorization.

78882038041738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39441019020871.

The product of its (nonzero) digits is 115605504, while the sum is 67.

The spelling of 78882038041738 in words is "seventy-eight trillion, eight hundred eighty-two billion, thirty-eight million, forty-one thousand, seven hundred thirty-eight".