2578878970476 has 24 divisors (see below), whose sum is σ = 6019409721024. Its totient is φ = 859336972560.

The previous prime is 2578878970469. The next prime is 2578878970511. The reversal of 2578878970476 is 6740798788752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36131730 + ... + 36203033.

It is an arithmetic number, because the mean of its divisors is an integer number (250808738376).

Almost surely, 2^{2578878970476} is an apocalyptic number.

It is an amenable number.

2578878970476 is an abundant number, since it is smaller than the sum of its proper divisors (3440530750548).

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

2578878970476 is a wasteful number, since it uses less digits than its factorization.

2578878970476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72337741 (or 72337739 counting only the distinct ones).

The product of its (nonzero) digits is 2655313920, while the sum is 78.

The spelling of 2578878970476 in words is "two trillion, five hundred seventy-eight billion, eight hundred seventy-eight million, nine hundred seventy thousand, four hundred seventy-six".