873412525214378 has 4 divisors (see below), whose sum is σ = 1310118787821570. Its totient is φ = 436706262607188.

The previous prime is 873412525214353. The next prime is 873412525214413.

873412525214378 is nontrivially palindromic in base 10.

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., 544162318780369 + 329250206434009 = 23327287^2 + 18145253^2 .

It is a super-2 number, since 2×873412525214378² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 873412525214378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218353131303593 + ... + 218353131303596.

Almost surely, 2^{873412525214378} is an apocalyptic number.

873412525214378 is a deficient number, since it is larger than the sum of its proper divisors (436706262607192).

873412525214378 is a wasteful number, since it uses less digits than its factorization.

873412525214378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436706262607191.

The product of its digits is 90316800, while the sum is 62.

The spelling of 873412525214378 in words is "eight hundred seventy-three trillion, four hundred twelve billion, five hundred twenty-five million, two hundred fourteen thousand, three hundred seventy-eight".