878724406 has 16 divisors (see below), whose sum is σ = 1531918080. Its totient is φ = 370212840.

The previous prime is 878724397. The next prime is 878724449. The reversal of 878724406 is 604427878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531090 + ... + 532741.

It is an arithmetic number, because the mean of its divisors is an integer number (95744880).

Almost surely, 2^878724406 is an apocalyptic number.

878724406 is a deficient number, since it is larger than the sum of its proper divisors (653193674).

878724406 is a wasteful number, since it uses less digits than its factorization.

878724406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063899.

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 878724406 is about 29643.2860189285. The cubic root of 878724406 is about 957.8207242951.

The spelling of 878724406 in words is "eight hundred seventy-eight million, seven hundred twenty-four thousand, four hundred six".