2856006747 has 48 divisors (see below), whose sum is σ = 4619496960. Its totient is φ = 1685476800.

The previous prime is 2856006743. The next prime is 2856006757. The reversal of 2856006747 is 7476006582.

2856006747 is a `hidden beast` number, since 28 + 560 + 0 + 67 + 4 + 7 = 666.

It is not a de Polignac number, because 2856006747 - 2² = 2856006743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2856006743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 980329 + ... + 983237.

It is an arithmetic number, because the mean of its divisors is an integer number (96239520).

Almost surely, 2^2856006747 is an apocalyptic number.

2856006747 is a deficient number, since it is larger than the sum of its proper divisors (1763490213).

2856006747 is a wasteful number, since it uses less digits than its factorization.

2856006747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 2856006747 is about 53441.6199885445. The cubic root of 2856006747 is about 1418.7953062000.

The spelling of 2856006747 in words is "two billion, eight hundred fifty-six million, six thousand, seven hundred forty-seven".