97561445182 has 4 divisors (see below), whose sum is σ = 146342167776. Its totient is φ = 48780722590.

The previous prime is 97561445161. The next prime is 97561445209. The reversal of 97561445182 is 28154416579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28154416579 = 29 ⋅970841951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24390361294 + ... + 24390361297.

It is an arithmetic number, because the mean of its divisors is an integer number (36585541944).

Almost surely, 2^97561445182 is an apocalyptic number.

97561445182 is a deficient number, since it is larger than the sum of its proper divisors (48780722594).

97561445182 is a wasteful number, since it uses less digits than its factorization.

97561445182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48780722593.

The product of its digits is 2419200, while the sum is 52.

The spelling of 97561445182 in words is "ninety-seven billion, five hundred sixty-one million, four hundred forty-five thousand, one hundred eighty-two".