2870871457 has 4 divisors (see below), whose sum is σ = 2871066816. Its totient is φ = 2870676100.

The previous prime is 2870871433. The next prime is 2870871463. The reversal of 2870871457 is 7541780782.

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 a de Polignac number, because none of the positive numbers 2^k-2870871457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2870871457.

It is not an unprimeable number, because it can be changed into a prime (2870871407) 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, 73669 + ... + 105682.

It is an arithmetic number, because the mean of its divisors is an integer number (717766704).

Almost surely, 2^2870871457 is an apocalyptic number.

It is an amenable number.

2870871457 is a deficient number, since it is larger than the sum of its proper divisors (195359).

2870871457 is a wasteful number, since it uses less digits than its factorization.

2870871457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195358.

The product of its (nonzero) digits is 878080, while the sum is 49.

The square root of 2870871457 is about 53580.5137806647. The cubic root of 2870871457 is about 1421.2525246100.

The spelling of 2870871457 in words is "two billion, eight hundred seventy million, eight hundred seventy-one thousand, four hundred fifty-seven".