2780878622830 has 128 divisors (see below), whose sum is σ = 6601270265856. Its totient is φ = 817724160000.

The previous prime is 2780878622827. The next prime is 2780878622867. The reversal of 2780878622830 is 382268780872.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 217330 + ... + 2368330.

It is an arithmetic number, because the mean of its divisors is an integer number (51572423952).

Almost surely, 2^{2780878622830} is an apocalyptic number.

2780878622830 is an abundant number, since it is smaller than the sum of its proper divisors (3820391643026).

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

2780878622830 is a wasteful number, since it uses less digits than its factorization.

2780878622830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151122.

The product of its (nonzero) digits is 28901376, while the sum is 61.

The spelling of 2780878622830 in words is "two trillion, seven hundred eighty billion, eight hundred seventy-eight million, six hundred twenty-two thousand, eight hundred thirty".