877898406 has 192 divisors, whose sum is σ = 2340264960. Its totient is φ = 216901440.

The previous prime is 877898341. The next prime is 877898423. The reversal of 877898406 is 604898778.

877898406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×877898406² = 1541411222514681672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8204605 + ... + 8204711.

It is an arithmetic number, because the mean of its divisors is an integer number (12188880).

Almost surely, 2^877898406 is an apocalyptic number.

877898406 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 877898406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1170132480).

877898406 is an abundant number, since it is smaller than the sum of its proper divisors (1462366554).

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

877898406 is a wasteful number, since it uses less digits than its factorization.

877898406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 57.

The square root of 877898406 is about 29629.3504147492. The cubic root of 877898406 is about 957.5205133914.

The spelling of 877898406 in words is "eight hundred seventy-seven million, eight hundred ninety-eight thousand, four hundred six".