2947945578027 has 32 divisors (see below), whose sum is σ = 4034934604800. Its totient is φ = 1913565937920.

The previous prime is 2947945577981. The next prime is 2947945578043. The reversal of 2947945578027 is 7208755497492.

It is not a de Polignac number, because 2947945578027 - 2¹² = 2947945573931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2947945578727) 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, 75815863 + ... + 75854735.

It is an arithmetic number, because the mean of its divisors is an integer number (126091706400).

Almost surely, 2^{2947945578027} is an apocalyptic number.

2947945578027 is a deficient number, since it is larger than the sum of its proper divisors (1086989026773).

2947945578027 is a wasteful number, since it uses less digits than its factorization.

2947945578027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41683.

The product of its (nonzero) digits is 355622400, while the sum is 69.

The spelling of 2947945578027 in words is "two trillion, nine hundred forty-seven billion, nine hundred forty-five million, five hundred seventy-eight thousand, twenty-seven".