877777146 has 24 divisors (see below), whose sum is σ = 1946081280. Its totient is φ = 285787656.

The previous prime is 877777127. The next prime is 877777151. The reversal of 877777146 is 641777778.

It is a happy number.

877777146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 877777092 and 877777101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566266 + ... + 567813.

It is an arithmetic number, because the mean of its divisors is an integer number (81086720).

Almost surely, 2^877777146 is an apocalyptic number.

877777146 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

877777146 is an abundant number, since it is smaller than the sum of its proper divisors (1068304134).

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

877777146 is a wasteful number, since it uses less digits than its factorization.

877777146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134130 (or 1134127 counting only the distinct ones).

The product of its digits is 3226944, while the sum is 54.

The square root of 877777146 is about 29627.3040623004. The cubic root of 877777146 is about 957.4764254183.

The spelling of 877777146 in words is "eight hundred seventy-seven million, seven hundred seventy-seven thousand, one hundred forty-six".