456416978 has 16 divisors (see below), whose sum is σ = 703772160. Its totient is φ = 221837616.

The previous prime is 456416977. The next prime is 456417029. The reversal of 456416978 is 879614654.

It is not an unprimeable number, because it can be changed into a prime (456416971) 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, 107663 + ... + 111821.

It is an arithmetic number, because the mean of its divisors is an integer number (43985760).

Almost surely, 2^456416978 is an apocalyptic number.

456416978 is a deficient number, since it is larger than the sum of its proper divisors (247355182).

456416978 is a wasteful number, since it uses less digits than its factorization.

456416978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its digits is 1451520, while the sum is 50.

The square root of 456416978 is about 21363.9176650726. The cubic root of 456416978 is about 769.9347659359.

The spelling of 456416978 in words is "four hundred fifty-six million, four hundred sixteen thousand, nine hundred seventy-eight".