2797858587972 has 96 divisors (see below), whose sum is σ = 7872821913600. Its totient is φ = 756040741632.

The previous prime is 2797858587967. The next prime is 2797858587989.

It is a happy number.

2797858587972 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (84).

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 31 ways as a sum of consecutive naturals, for example, 7963822 + ... + 8307717.

It is an arithmetic number, because the mean of its divisors is an integer number (82008561600).

Almost surely, 2^{2797858587972} is an apocalyptic number.

It is an amenable number.

2797858587972 is an abundant number, since it is smaller than the sum of its proper divisors (5074963325628).

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

2797858587972 is a wasteful number, since it uses less digits than its factorization.

2797858587972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16271665 (or 16271663 counting only the distinct ones).

The product of its digits is 9957427200, while the sum is 84.

The spelling of 2797858587972 in words is "two trillion, seven hundred ninety-seven billion, eight hundred fifty-eight million, five hundred eighty-seven thousand, nine hundred seventy-two".