97011081845 has 8 divisors (see below), whose sum is σ = 117815868576. Its totient is φ = 76673818576.

The previous prime is 97011081841. The next prime is 97011081899. The reversal of 97011081845 is 54818011079.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97011081845 - 2² = 97011081841 is a prime.

It is a super-2 number, since 2×97011081845² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97011081796 and 97011081805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97011081841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116880407 + ... + 116881236.

It is an arithmetic number, because the mean of its divisors is an integer number (14726983572).

Almost surely, 2^97011081845 is an apocalyptic number.

It is an amenable number.

97011081845 is a deficient number, since it is larger than the sum of its proper divisors (20804786731).

97011081845 is a wasteful number, since it uses less digits than its factorization.

97011081845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233761731.

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 97011081845 in words is "ninety-seven billion, eleven million, eighty-one thousand, eight hundred forty-five".