879046644 has 48 divisors (see below), whose sum is σ = 2346374016. Its totient is φ = 250915200.

The previous prime is 879046643. The next prime is 879046697. The reversal of 879046644 is 446640978.

It is a super-3 number, since 3×879046644³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 879046593 and 879046602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879046643) 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 15 ways as a sum of consecutive naturals, for example, 94774 + ... + 103634.

It is an arithmetic number, because the mean of its divisors is an integer number (48882792).

Almost surely, 2^879046644 is an apocalyptic number.

879046644 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

879046644 is an abundant number, since it is smaller than the sum of its proper divisors (1467327372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879046644 is a wasteful number, since it uses less digits than its factorization.

879046644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056 (or 10054 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 879046644 is about 29648.7207818482. The cubic root of 879046644 is about 957.9377911526.

The spelling of 879046644 in words is "eight hundred seventy-nine million, forty-six thousand, six hundred forty-four".