97244983647 has 96 divisors (see below), whose sum is σ = 172009474560. Its totient is φ = 54121495680.

The previous prime is 97244983639. The next prime is 97244983673. The reversal of 97244983647 is 74638944279.

97244983647 is a `hidden beast` number, since 9 + 72 + 4 + 498 + 36 + 47 = 666.

It is not a de Polignac number, because 97244983647 - 2³ = 97244983639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97244983697) 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 95 ways as a sum of consecutive naturals, for example, 7790203 + ... + 7802675.

It is an arithmetic number, because the mean of its divisors is an integer number (1791765360).

Almost surely, 2^97244983647 is an apocalyptic number.

97244983647 is a deficient number, since it is larger than the sum of its proper divisors (74764490913).

97244983647 is a wasteful number, since it uses less digits than its factorization.

97244983647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650 (or 12637 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 97244983647 in words is "ninety-seven billion, two hundred forty-four million, nine hundred eighty-three thousand, six hundred forty-seven".