2787541580 has 48 divisors (see below), whose sum is σ = 6128559360. Its totient is φ = 1063009728.

The previous prime is 2787541543. The next prime is 2787541621. The reversal of 2787541580 is 851457872.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131351 + ... + 151089.

It is an arithmetic number, because the mean of its divisors is an integer number (127678320).

Almost surely, 2^2787541580 is an apocalyptic number.

2787541580 is a gapful number since it is divisible by the number (20) 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 2787541580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064279680).

2787541580 is an abundant number, since it is smaller than the sum of its proper divisors (3341017780).

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

2787541580 is a wasteful number, since it uses less digits than its factorization.

2787541580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078 (or 20076 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 47.

The square root of 2787541580 is about 52797.1739774015. The cubic root of 2787541580 is about 1407.3662047985.

The spelling of 2787541580 in words is "two billion, seven hundred eighty-seven million, five hundred forty-one thousand, five hundred eighty".