78881465357674 has 12 divisors (see below), whose sum is σ = 137640107920194. Its totient is φ = 33806342296104.

The previous prime is 78881465357579. The next prime is 78881465357741. The reversal of 78881465357674 is 47675356418887.

It can be written as a sum of positive squares in only one way, i.e., 45578120838649 + 33303344519025 = 6751157^2 + 5770905^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78881465357594 and 78881465357603.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402456455809 + ... + 402456456004.

Almost surely, 2^{78881465357674} is an apocalyptic number.

78881465357674 is a deficient number, since it is larger than the sum of its proper divisors (58758642562520).

78881465357674 is a wasteful number, since it uses less digits than its factorization.

78881465357674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804912911829 (or 804912911822 counting only the distinct ones).

The product of its digits is 7586611200, while the sum is 79.

The spelling of 78881465357674 in words is "seventy-eight trillion, eight hundred eighty-one billion, four hundred sixty-five million, three hundred fifty-seven thousand, six hundred seventy-four".