97117855745 has 32 divisors (see below), whose sum is σ = 118983551616. Its totient is φ = 76081420800.

The previous prime is 97117855727. The next prime is 97117855811. The reversal of 97117855745 is 54755871179.

It is not a de Polignac number, because 97117855745 - 2¹⁰ = 97117854721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50926082 + ... + 50927988.

It is an arithmetic number, because the mean of its divisors is an integer number (3718235988).

Almost surely, 2^97117855745 is an apocalyptic number.

It is an amenable number.

97117855745 is a deficient number, since it is larger than the sum of its proper divisors (21865695871).

97117855745 is a wasteful number, since it uses less digits than its factorization.

97117855745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801.

The product of its digits is 12348000, while the sum is 59.

The spelling of 97117855745 in words is "ninety-seven billion, one hundred seventeen million, eight hundred fifty-five thousand, seven hundred forty-five".