2778859596628 has 36 divisors (see below), whose sum is σ = 4926432661920. Its totient is φ = 1371537910704.

The previous prime is 2778859596523. The next prime is 2778859596629. The reversal of 2778859596628 is 8266959588772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778859596629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148251825 + ... + 148270567.

It is an arithmetic number, because the mean of its divisors is an integer number (136845351720).

Almost surely, 2^{2778859596628} is an apocalyptic number.

It is an amenable number.

2778859596628 is a deficient number, since it is larger than the sum of its proper divisors (2147573065292).

2778859596628 is a wasteful number, since it uses less digits than its factorization.

2778859596628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24844 (or 24763 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 82.

The spelling of 2778859596628 in words is "two trillion, seven hundred seventy-eight billion, eight hundred fifty-nine million, five hundred ninety-six thousand, six hundred twenty-eight".