2786420088 has 120 divisors (see below), whose sum is σ = 8291210400. Its totient is φ = 874112256.

The previous prime is 2786420057. The next prime is 2786420101. The reversal of 2786420088 is 8800246872.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 179833 + ... + 194711.

It is an arithmetic number, because the mean of its divisors is an integer number (69093420).

Almost surely, 2^2786420088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2786420088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4145605200).

2786420088 is an abundant number, since it is smaller than the sum of its proper divisors (5504790312).

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

2786420088 is a wasteful number, since it uses less digits than its factorization.

2786420088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14931 (or 14901 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 2786420088 is about 52786.5521510924. The cubic root of 2786420088 is about 1407.1774408990.

The spelling of 2786420088 in words is "two billion, seven hundred eighty-six million, four hundred twenty thousand, eighty-eight".