2796727815972 has 54 divisors (see below), whose sum is σ = 7390240224822. Its totient is φ = 891710312064.

The previous prime is 2796727815961. The next prime is 2796727815991. The reversal of 2796727815972 is 2795187276972.

It is a happy number.

2796727815972 is a `hidden beast` number, since 2 + 7 + 9 + 6 + 7 + 27 + 8 + 1 + 597 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1678434255936 + 1118293560036 = 1295544^2 + 1057494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2796727815972.

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 17 ways as a sum of consecutive naturals, for example, 73409013 + ... + 73447100.

Almost surely, 2^{2796727815972} is an apocalyptic number.

It is an amenable number.

2796727815972 is an abundant number, since it is smaller than the sum of its proper divisors (4593512408850).

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

2796727815972 is a wasteful number, since it uses less digits than its factorization.

2796727815972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146856169 (or 146856141 counting only the distinct ones).

The product of its digits is 373403520, while the sum is 72.

The spelling of 2796727815972 in words is "two trillion, seven hundred ninety-six billion, seven hundred twenty-seven million, eight hundred fifteen thousand, nine hundred seventy-two".