84464003128826 has 16 divisors (see below), whose sum is σ = 126733891980264. Its totient is φ = 42219374079744.

The previous prime is 84464003128807. The next prime is 84464003128859. The reversal of 84464003128826 is 62882130046448.

It can be written as a sum of positive squares in 4 ways, for example, as 71812828320025 + 12651174808801 = 8474245^2 + 3556849^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106578950 + ... + 107368526.

Almost surely, 2^{84464003128826} is an apocalyptic number.

84464003128826 is a deficient number, since it is larger than the sum of its proper divisors (42269888851438).

84464003128826 is a wasteful number, since it uses less digits than its factorization.

84464003128826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805505.

The product of its (nonzero) digits is 14155776, while the sum is 56.

The spelling of 84464003128826 in words is "eighty-four trillion, four hundred sixty-four billion, three million, one hundred twenty-eight thousand, eight hundred twenty-six".