877051646 has 4 divisors (see below), whose sum is σ = 1315577472. Its totient is φ = 438525822.

The previous prime is 877051633. The next prime is 877051661. The reversal of 877051646 is 646150778.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 877051597 and 877051606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219262910 + ... + 219262913.

It is an arithmetic number, because the mean of its divisors is an integer number (328894368).

Almost surely, 2^877051646 is an apocalyptic number.

877051646 is a deficient number, since it is larger than the sum of its proper divisors (438525826).

877051646 is a wasteful number, since it uses less digits than its factorization.

877051646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438525825.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 877051646 is about 29615.0577578366. The cubic root of 877051646 is about 957.2125617038.

The spelling of 877051646 in words is "eight hundred seventy-seven million, fifty-one thousand, six hundred forty-six".