2877178857728 has 108 divisors (see below), whose sum is σ = 6683814632880. Its totient is φ = 1232514855936.

The previous prime is 2877178857719. The next prime is 2877178857767. The reversal of 2877178857728 is 8277588717782.

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, 28085063 + ... + 28187321.

Almost surely, 2^{2877178857728} is an apocalyptic number.

2877178857728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2877178857728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341907316440).

2877178857728 is an abundant number, since it is smaller than the sum of its proper divisors (3806635775152).

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

2877178857728 is a wasteful number, since it uses less digits than its factorization.

2877178857728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104532 (or 104511 counting only the distinct ones).

The product of its digits is 1376829440, while the sum is 77.

The spelling of 2877178857728 in words is "two trillion, eight hundred seventy-seven billion, one hundred seventy-eight million, eight hundred fifty-seven thousand, seven hundred twenty-eight".