1097913474477 has 12 divisors (see below), whose sum is σ = 1587539118204. Its totient is φ = 731174270400.

The previous prime is 1097913474431. The next prime is 1097913474499. The reversal of 1097913474477 is 7744743197901.

1097913474477 is a `hidden beast` number, since 1 + 0 + 9 + 7 + 91 + 3 + 4 + 74 + 477 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 880408766601 + 217504707876 = 938301^2 + 466374^2 .

It is not a de Polignac number, because 1097913474477 - 2⁸ = 1097913474221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097913474377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63994774 + ... + 64011927.

It is an arithmetic number, because the mean of its divisors is an integer number (132294926517).

Almost surely, 2^{1097913474477} is an apocalyptic number.

It is an amenable number.

1097913474477 is a deficient number, since it is larger than the sum of its proper divisors (489625643727).

1097913474477 is a wasteful number, since it uses less digits than its factorization.

1097913474477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128007660 (or 128007657 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 1097913474477 in words is "one trillion, ninety-seven billion, nine hundred thirteen million, four hundred seventy-four thousand, four hundred seventy-seven".