4278458867862 has 16 divisors (see below), whose sum is σ = 8556975938160. Its totient is φ = 1426143255552.

The previous prime is 4278458867777. The next prime is 4278458867869. The reversal of 4278458867862 is 2687688548724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278458867869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438603 + ... + 3259830.

It is an arithmetic number, because the mean of its divisors is an integer number (534810996135).

Almost surely, 2^{4278458867862} is an apocalyptic number.

4278458867862 is an abundant number, since it is smaller than the sum of its proper divisors (4278517070298).

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

4278458867862 is a wasteful number, since it uses less digits than its factorization.

4278458867862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850207.

The product of its digits is 2312110080, while the sum is 75.

The spelling of 4278458867862 in words is "four trillion, two hundred seventy-eight billion, four hundred fifty-eight million, eight hundred sixty-seven thousand, eight hundred sixty-two".