2863428857720 has 32 divisors (see below), whose sum is σ = 6452925311520. Its totient is φ = 1143556364160.

The previous prime is 2863428857647. The next prime is 2863428857743. The reversal of 2863428857720 is 277588243682.

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 7 ways as a sum of consecutive naturals, for example, 56698787 + ... + 56749266.

It is an arithmetic number, because the mean of its divisors is an integer number (201653915985).

Almost surely, 2^{2863428857720} is an apocalyptic number.

2863428857720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2863428857720 is an abundant number, since it is smaller than the sum of its proper divisors (3589496453800).

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

2863428857720 is a wasteful number, since it uses less digits than its factorization.

2863428857720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113448695 (or 113448691 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 62.

The spelling of 2863428857720 in words is "two trillion, eight hundred sixty-three billion, four hundred twenty-eight million, eight hundred fifty-seven thousand, seven hundred twenty".