2855513047847 has 32 divisors (see below), whose sum is σ = 3048477120000. Its totient is φ = 2667074065920.

The previous prime is 2855513047817. The next prime is 2855513047867. The reversal of 2855513047847 is 7487403155582.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2855513047847 is a prime.

It is a super-2 number, since 2×2855513047847² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855513047817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524040779 + ... + 524046227.

It is an arithmetic number, because the mean of its divisors is an integer number (95264910000).

Almost surely, 2^{2855513047847} is an apocalyptic number.

2855513047847 is a deficient number, since it is larger than the sum of its proper divisors (192964072153).

2855513047847 is a wasteful number, since it uses less digits than its factorization.

2855513047847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711.

The product of its (nonzero) digits is 37632000, while the sum is 59.

The spelling of 2855513047847 in words is "two trillion, eight hundred fifty-five billion, five hundred thirteen million, forty-seven thousand, eight hundred forty-seven".