2787382080 has 504 divisors, whose sum is σ = 11594299392. Its totient is φ = 602007552.

The previous prime is 2787382069. The next prime is 2787382097. The reversal of 2787382080 is 802837872.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7277569 + ... + 7277951.

Almost surely, 2^2787382080 is an apocalyptic number.

2787382080 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 2787382080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5797149696).

2787382080 is an abundant number, since it is smaller than the sum of its proper divisors (8806917312).

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

2787382080 is a wasteful number, since it uses less digits than its factorization.

2787382080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 2787382080 is about 52795.6634582804. The cubic root of 2787382080 is about 1407.3393616484.

The spelling of 2787382080 in words is "two billion, seven hundred eighty-seven million, three hundred eighty-two thousand, eighty".