862262878472 has 12 divisors (see below), whose sum is σ = 1616747821695. Its totient is φ = 431130126024.

The previous prime is 862262878439. The next prime is 862262878493. The reversal of 862262878472 is 274878262268.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 431131439236 + 431131439236 = 656606^2 + 656606^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=656606.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2462273 + ... + 2790575.

Almost surely, 2^862262878472 is an apocalyptic number.

It is an amenable number.

862262878472 is a deficient number, since it is larger than the sum of its proper divisors (754484943223).

862262878472 is an frugal number, since it uses more digits than its factorization.

862262878472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656612 (or 328305 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 62.

The spelling of 862262878472 in words is "eight hundred sixty-two billion, two hundred sixty-two million, eight hundred seventy-eight thousand, four hundred seventy-two".