8746620266478 has 32 divisors (see below), whose sum is σ = 17707215859200. Its totient is φ = 2879890286336.

The previous prime is 8746620266473. The next prime is 8746620266491.

8746620266478 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8746620266473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157278 + ... + 4339646.

It is an arithmetic number, because the mean of its divisors is an integer number (553350495600).

Almost surely, 2^{8746620266478} is an apocalyptic number.

8746620266478 is an abundant number, since it is smaller than the sum of its proper divisors (8960595592722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8746620266478 is a wasteful number, since it uses less digits than its factorization.

8746620266478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187976.

The product of its (nonzero) digits is 260112384, while the sum is 66.

The spelling of 8746620266478 in words is "eight trillion, seven hundred forty-six billion, six hundred twenty million, two hundred sixty-six thousand, four hundred seventy-eight".