456789878 has 8 divisors (see below), whose sum is σ = 692248872. Its totient is φ = 226040256.

The previous prime is 456789877. The next prime is 456789889. The reversal of 456789878 is 878987654.

456789878 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 456789878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456789871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177100 + ... + 1177487.

It is an arithmetic number, because the mean of its divisors is an integer number (86531109).

Almost surely, 2^456789878 is an apocalyptic number.

456789878 is a deficient number, since it is larger than the sum of its proper divisors (235458994).

456789878 is a wasteful number, since it uses less digits than its factorization.

456789878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354686.

The product of its digits is 27095040, while the sum is 62.

The square root of 456789878 is about 21372.6432151009. The cubic root of 456789878 is about 770.1443918793.

The spelling of 456789878 in words is "four hundred fifty-six million, seven hundred eighty-nine thousand, eight hundred seventy-eight".