877118240 has 24 divisors (see below), whose sum is σ = 2072192220. Its totient is φ = 350847232.

The previous prime is 877118201. The next prime is 877118243. The reversal of 877118240 is 42811778.

It can be written as a sum of positive squares in 2 ways, for example, as 822771856 + 54346384 = 28684^2 + 7372^2 .

It is a junction number, because it is equal to n+sod(n) for n = 877118194 and 877118203.

It is not an unprimeable number, because it can be changed into a prime (877118243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2740835 + ... + 2741154.

Almost surely, 2^877118240 is an apocalyptic number.

877118240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

877118240 is an abundant number, since it is smaller than the sum of its proper divisors (1195073980).

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

877118240 is a wasteful number, since it uses less digits than its factorization.

877118240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482004 (or 5481996 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 877118240 is about 29616.1820631897. The cubic root of 877118240 is about 957.2367879472.

The spelling of 877118240 in words is "eight hundred seventy-seven million, one hundred eighteen thousand, two hundred forty".