2845979747 has 4 divisors (see below), whose sum is σ = 3064901280. Its totient is φ = 2627058216.

The previous prime is 2845979701. The next prime is 2845979761. The reversal of 2845979747 is 7479795482.

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

It is a cyclic number.

It is not a de Polignac number, because 2845979747 - 2⁶ = 2845979683 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 2845979747.

It is not an unprimeable number, because it can be changed into a prime (2845979797) 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, 109460747 + ... + 109460772.

It is an arithmetic number, because the mean of its divisors is an integer number (766225320).

Almost surely, 2^2845979747 is an apocalyptic number.

2845979747 is a deficient number, since it is larger than the sum of its proper divisors (218921533).

2845979747 is a wasteful number, since it uses less digits than its factorization.

2845979747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218921532.

The product of its digits is 35562240, while the sum is 62.

The square root of 2845979747 is about 53347.7248530807. The cubic root of 2845979747 is about 1417.1329686447.

The spelling of 2845979747 in words is "two billion, eight hundred forty-five million, nine hundred seventy-nine thousand, seven hundred forty-seven".