678270455 has 16 divisors (see below), whose sum is σ = 868838400. Its totient is φ = 506812320.

The previous prime is 678270443. The next prime is 678270457. The reversal of 678270455 is 554072876.

It is not a de Polignac number, because 678270455 - 2¹⁸ = 678008311 is a prime.

It is a super-3 number, since 3×678270455³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678270457) 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, 43535 + ... + 57024.

It is an arithmetic number, because the mean of its divisors is an integer number (54302400).

Almost surely, 2^678270455 is an apocalyptic number.

678270455 is a deficient number, since it is larger than the sum of its proper divisors (190567945).

678270455 is a wasteful number, since it uses less digits than its factorization.

678270455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100654.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 678270455 is about 26043.6259956251. The cubic root of 678270455 is about 878.6197607913.

The spelling of 678270455 in words is "six hundred seventy-eight million, two hundred seventy thousand, four hundred fifty-five".