672878863 has 8 divisors (see below), whose sum is σ = 709488000. Its totient is φ = 636389208.

The previous prime is 672878821. The next prime is 672878881. The reversal of 672878863 is 368878276.

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

It is a cyclic number.

It is not a de Polignac number, because 672878863 - 2²⁵ = 639324431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672878813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18181 + ... + 40942.

It is an arithmetic number, because the mean of its divisors is an integer number (88686000).

Almost surely, 2^672878863 is an apocalyptic number.

672878863 is a deficient number, since it is larger than the sum of its proper divisors (36609137).

672878863 is a wasteful number, since it uses less digits than its factorization.

672878863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59741.

The product of its digits is 5419008, while the sum is 55.

The square root of 672878863 is about 25939.9086929773. The cubic root of 672878863 is about 876.2855066086.

The spelling of 672878863 in words is "six hundred seventy-two million, eight hundred seventy-eight thousand, eight hundred sixty-three".