2987945804705 has 16 divisors (see below), whose sum is σ = 3594747345984. Its totient is φ = 2384222786880.

The previous prime is 2987945804693. The next prime is 2987945804707. The reversal of 2987945804705 is 5074085497892.

It is not a de Polignac number, because 2987945804705 - 2⁴ = 2987945804689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2987945804707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2615075 + ... + 3579735.

It is an arithmetic number, because the mean of its divisors is an integer number (224671709124).

Almost surely, 2^{2987945804705} is an apocalyptic number.

It is an amenable number.

2987945804705 is a deficient number, since it is larger than the sum of its proper divisors (606801541279).

2987945804705 is an equidigital number, since it uses as much as digits as its factorization.

2987945804705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966256.

The product of its (nonzero) digits is 203212800, while the sum is 68.

The spelling of 2987945804705 in words is "two trillion, nine hundred eighty-seven billion, nine hundred forty-five million, eight hundred four thousand, seven hundred five".