655860878 has 8 divisors (see below), whose sum is σ = 985515960. Its totient is φ = 327355560.

The previous prime is 655860859. The next prime is 655860911. The reversal of 655860878 is 878068556.

655860878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

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, 286013 + ... + 288296.

It is an arithmetic number, because the mean of its divisors is an integer number (123189495).

Almost surely, 2^655860878 is an apocalyptic number.

655860878 is a deficient number, since it is larger than the sum of its proper divisors (329655082).

655860878 is a wasteful number, since it uses less digits than its factorization.

655860878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574882.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The square root of 655860878 is about 25609.7809049589. The cubic root of 655860878 is about 868.8348687304.

The spelling of 655860878 in words is "six hundred fifty-five million, eight hundred sixty thousand, eight hundred seventy-eight".