2527778286488 has 128 divisors (see below), whose sum is σ = 6026618142720. Its totient is φ = 966920647680.

The previous prime is 2527778286433. The next prime is 2527778286559. The reversal of 2527778286488 is 8846828777252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26876681 + ... + 26970567.

It is an arithmetic number, because the mean of its divisors is an integer number (47082954240).

Almost surely, 2^{2527778286488} is an apocalyptic number.

2527778286488 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 2527778286488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013309071360).

2527778286488 is an abundant number, since it is smaller than the sum of its proper divisors (3498839856232).

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

2527778286488 is a wasteful number, since it uses less digits than its factorization.

2527778286488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95137 (or 95133 counting only the distinct ones).

The product of its digits is 1348730880, while the sum is 74.

The spelling of 2527778286488 in words is "two trillion, five hundred twenty-seven billion, seven hundred seventy-eight million, two hundred eighty-six thousand, four hundred eighty-eight".