2898778868201 has 4 divisors (see below), whose sum is σ = 2898809811072. Its totient is φ = 2898747925332.

The previous prime is 2898778868191. The next prime is 2898778868263. The reversal of 2898778868201 is 1028688778982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2898778868201 - 2¹⁸ = 2898778606057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2898778868291) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15330485 + ... + 15518418.

It is an arithmetic number, because the mean of its divisors is an integer number (724702452768).

Almost surely, 2^{2898778868201} is an apocalyptic number.

It is an amenable number.

2898778868201 is a deficient number, since it is larger than the sum of its proper divisors (30942871).

2898778868201 is an equidigital number, since it uses as much as digits as its factorization.

2898778868201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30942870.

The product of its (nonzero) digits is 346816512, while the sum is 74.

The spelling of 2898778868201 in words is "two trillion, eight hundred ninety-eight billion, seven hundred seventy-eight million, eight hundred sixty-eight thousand, two hundred one".