2801954987 has 8 divisors (see below), whose sum is σ = 3023692896. Its totient is φ = 2581103232.

The previous prime is 2801954971. The next prime is 2801954993. The reversal of 2801954987 is 7894591082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2801954987 - 2⁴ = 2801954971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2801954887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214958 + ... + 227619.

It is an arithmetic number, because the mean of its divisors is an integer number (377961612).

Almost surely, 2^2801954987 is an apocalyptic number.

2801954987 is a deficient number, since it is larger than the sum of its proper divisors (221737909).

2801954987 is a wasteful number, since it uses less digits than its factorization.

2801954987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443077.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 2801954987 is about 52933.4958887093. The cubic root of 2801954987 is about 1409.7877028927.

The spelling of 2801954987 in words is "two billion, eight hundred one million, nine hundred fifty-four thousand, nine hundred eighty-seven".