456816679 has 4 divisors (see below), whose sum is σ = 498345480. Its totient is φ = 415287880.

The previous prime is 456816623. The next prime is 456816683. The reversal of 456816679 is 976618654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 456816679 - 2⁷ = 456816551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456816379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20764384 + ... + 20764405.

It is an arithmetic number, because the mean of its divisors is an integer number (124586370).

Almost surely, 2^456816679 is an apocalyptic number.

456816679 is a deficient number, since it is larger than the sum of its proper divisors (41528801).

456816679 is a wasteful number, since it uses less digits than its factorization.

456816679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41528800.

The product of its digits is 2177280, while the sum is 52.

The square root of 456816679 is about 21373.2701990126. The cubic root of 456816679 is about 770.1594536814.

The spelling of 456816679 in words is "four hundred fifty-six million, eight hundred sixteen thousand, six hundred seventy-nine".