877494618 has 192 divisors, whose sum is σ = 2636734464. Its totient is φ = 203472000.

The previous prime is 877494617. The next prime is 877494637. The reversal of 877494618 is 816494778.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (877494617) 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 95 ways as a sum of consecutive naturals, for example, 557773 + ... + 559343.

It is an arithmetic number, because the mean of its divisors is an integer number (13732992).

Almost surely, 2^877494618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877494618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318367232).

877494618 is an abundant number, since it is smaller than the sum of its proper divisors (1759239846).

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

877494618 is a wasteful number, since it uses less digits than its factorization.

877494618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1638 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 877494618 is about 29622.5356443367. The cubic root of 877494618 is about 957.3736875237.

The spelling of 877494618 in words is "eight hundred seventy-seven million, four hundred ninety-four thousand, six hundred eighteen".