678276453 has 8 divisors (see below), whose sum is σ = 925400608. Its totient is φ = 441668304.

The previous prime is 678276437. The next prime is 678276461. The reversal of 678276453 is 354672876.

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

It is not a de Polignac number, because 678276453 - 2⁴ = 678276437 is a prime.

It is a super-2 number, since 2×678276453² = 920117893388522418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678276253) 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, 2628850 + ... + 2629107.

It is an arithmetic number, because the mean of its divisors is an integer number (115675076).

Almost surely, 2^678276453 is an apocalyptic number.

It is an amenable number.

678276453 is a deficient number, since it is larger than the sum of its proper divisors (247124155).

678276453 is a wasteful number, since it uses less digits than its factorization.

678276453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258003.

The product of its digits is 1693440, while the sum is 48.

The square root of 678276453 is about 26043.7411483066. The cubic root of 678276453 is about 878.6223506853.

The spelling of 678276453 in words is "six hundred seventy-eight million, two hundred seventy-six thousand, four hundred fifty-three".