454559978 has 8 divisors (see below), whose sum is σ = 705351780. Its totient is φ = 219442720.

The previous prime is 454559947. The next prime is 454560011. The reversal of 454559978 is 879955454.

It can be written as a sum of positive squares in 2 ways, for example, as 445336609 + 9223369 = 21103^2 + 3037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918563 + ... + 3918678.

Almost surely, 2^454559978 is an apocalyptic number.

454559978 is a deficient number, since it is larger than the sum of its proper divisors (250791802).

454559978 is a wasteful number, since it uses less digits than its factorization.

454559978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837272.

The product of its digits is 9072000, while the sum is 56.

The square root of 454559978 is about 21320.4122380408. The cubic root of 454559978 is about 768.8891487337.

The spelling of 454559978 in words is "four hundred fifty-four million, five hundred fifty-nine thousand, nine hundred seventy-eight".