2878920571 has 4 divisors (see below), whose sum is σ = 2879215632. Its totient is φ = 2878625512.

The previous prime is 2878920479. The next prime is 2878920593. The reversal of 2878920571 is 1750298782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2878920571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2878921571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132376 + ... + 152581.

It is an arithmetic number, because the mean of its divisors is an integer number (719803908).

Almost surely, 2^2878920571 is an apocalyptic number.

2878920571 is a deficient number, since it is larger than the sum of its proper divisors (295061).

2878920571 is a wasteful number, since it uses less digits than its factorization.

2878920571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295060.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 2878920571 is about 53655.5735315540. The cubic root of 2878920571 is about 1422.5795489462.

The spelling of 2878920571 in words is "two billion, eight hundred seventy-eight million, nine hundred twenty thousand, five hundred seventy-one".