78876123541450 has 24 divisors (see below), whose sum is σ = 146721605466240. Its totient is φ = 31547865399600.

The previous prime is 78876123541447. The next prime is 78876123541451. The reversal of 78876123541450 is 5414532167887.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (78876123541451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63983770 + ... + 65204869.

It is an arithmetic number, because the mean of its divisors is an integer number (6113400227760).

Almost surely, 2^{78876123541450} is an apocalyptic number.

78876123541450 is a deficient number, since it is larger than the sum of its proper divisors (67845481924790).

78876123541450 is a wasteful number, since it uses less digits than its factorization.

78876123541450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129200862 (or 129200857 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 61.

The spelling of 78876123541450 in words is "seventy-eight trillion, eight hundred seventy-six billion, one hundred twenty-three million, five hundred forty-one thousand, four hundred fifty".