78228445875364 has 48 divisors (see below), whose sum is σ = 144743956758016. Its totient is φ = 36935969414400.

The previous prime is 78228445875259. The next prime is 78228445875421. The reversal of 78228445875364 is 46357854482287.

It is a super-2 number, since 2×78228445875364² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740897 + ... + 12628840.

Almost surely, 2^{78228445875364} is an apocalyptic number.

It is an amenable number.

78228445875364 is a deficient number, since it is larger than the sum of its proper divisors (66515510882652).

78228445875364 is a wasteful number, since it uses less digits than its factorization.

78228445875364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14370836 (or 14370834 counting only the distinct ones).

The product of its digits is 2890137600, while the sum is 73.

The spelling of 78228445875364 in words is "seventy-eight trillion, two hundred twenty-eight billion, four hundred forty-five million, eight hundred seventy-five thousand, three hundred sixty-four".