4278097306668 has 54 divisors (see below), whose sum is σ = 10232336894052. Its totient is φ = 1391155623360.

The previous prime is 4278097306663. The next prime is 4278097306739. The reversal of 4278097306668 is 8666037908724.

It is a junction number, because it is equal to n+sod(n) for n = 4278097306599 and 4278097306608.

It is not an unprimeable number, because it can be changed into a prime (4278097306663) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 293757555 + ... + 293772117.

Almost surely, 2^{4278097306668} is an apocalyptic number.

It is an amenable number.

4278097306668 is an abundant number, since it is smaller than the sum of its proper divisors (5954239587384).

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

4278097306668 is an frugal number, since it uses more digits than its factorization.

4278097306668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215 (or 14609 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 4278097306668 in words is "four trillion, two hundred seventy-eight billion, ninety-seven million, three hundred six thousand, six hundred sixty-eight".