2047978028097 has 24 divisors (see below), whose sum is σ = 2986687214784. Its totient is φ = 1352173615584.

The previous prime is 2047978028093. The next prime is 2047978028113. The reversal of 2047978028097 is 7908208797402.

2047978028097 is a `hidden beast` number, since 2 + 0 + 479 + 7 + 80 + 2 + 80 + 9 + 7 = 666.

It is not a de Polignac number, because 2047978028097 - 2² = 2047978028093 is a prime.

It is a super-3 number, since 3×2047978028097³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2047978028093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3101308 + ... + 3703250.

It is an arithmetic number, because the mean of its divisors is an integer number (124445300616).

Almost surely, 2^{2047978028097} is an apocalyptic number.

It is an amenable number.

2047978028097 is a deficient number, since it is larger than the sum of its proper divisors (938709186687).

2047978028097 is a wasteful number, since it uses less digits than its factorization.

2047978028097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605589 (or 605586 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 2047978028097 in words is "two trillion, forty-seven billion, nine hundred seventy-eight million, twenty-eight thousand, ninety-seven".