2778533302830 has 64 divisors (see below), whose sum is σ = 6699525769728. Its totient is φ = 737497470080.

The previous prime is 2778533302819. The next prime is 2778533302843. The reversal of 2778533302830 is 382033358772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9168997 + ... + 9467183.

It is an arithmetic number, because the mean of its divisors is an integer number (104680090152).

Almost surely, 2^{2778533302830} is an apocalyptic number.

2778533302830 is an abundant number, since it is smaller than the sum of its proper divisors (3920992466898).

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

2778533302830 is a wasteful number, since it uses less digits than its factorization.

2778533302830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299641.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 2778533302830 in words is "two trillion, seven hundred seventy-eight billion, five hundred thirty-three million, three hundred two thousand, eight hundred thirty".