456678656247 has 16 divisors (see below), whose sum is σ = 664276286592. Its totient is φ = 276768100320.

The previous prime is 456678656243. The next prime is 456678656257. The reversal of 456678656247 is 742656876654.

It is a happy number.

It is not a de Polignac number, because 456678656247 - 2² = 456678656243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456678656243) 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, 1398973 + ... + 1694249.

It is an arithmetic number, because the mean of its divisors is an integer number (41517267912).

Almost surely, 2^456678656247 is an apocalyptic number.

456678656247 is a deficient number, since it is larger than the sum of its proper divisors (207597630345).

456678656247 is a wasteful number, since it uses less digits than its factorization.

456678656247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342158.

The product of its digits is 406425600, while the sum is 66.

The spelling of 456678656247 in words is "four hundred fifty-six billion, six hundred seventy-eight million, six hundred fifty-six thousand, two hundred forty-seven".