44978823197 has 12 divisors (see below), whose sum is σ = 56079814176. Its totient is φ = 35046983520.

The previous prime is 44978823143. The next prime is 44978823209. The reversal of 44978823197 is 79132887944.

It is not a de Polignac number, because 44978823197 - 2³⁰ = 43905081373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44978823997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1848929 + ... + 1873097.

It is an arithmetic number, because the mean of its divisors is an integer number (4673317848).

Almost surely, 2^44978823197 is an apocalyptic number.

It is an amenable number.

44978823197 is a deficient number, since it is larger than the sum of its proper divisors (11100990979).

44978823197 is an frugal number, since it uses more digits than its factorization.

44978823197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48356 (or 24187 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 62.

The spelling of 44978823197 in words is "forty-four billion, nine hundred seventy-eight million, eight hundred twenty-three thousand, one hundred ninety-seven".