971625448773 has 24 divisors (see below), whose sum is σ = 1603988395776. Its totient is φ = 555202332000.

The previous prime is 971625448763. The next prime is 971625448793. The reversal of 971625448773 is 377844526179.

971625448773 is a `hidden beast` number, since 9 + 7 + 1 + 6 + 2 + 544 + 87 + 7 + 3 = 666.

It is not a de Polignac number, because 971625448773 - 2⁸ = 971625448517 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 971625448773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971625448733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3265828 + ... + 3550898.

It is an arithmetic number, because the mean of its divisors is an integer number (66832849824).

Almost surely, 2^971625448773 is an apocalyptic number.

It is an amenable number.

971625448773 is a deficient number, since it is larger than the sum of its proper divisors (632362947003).

971625448773 is a wasteful number, since it uses less digits than its factorization.

971625448773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339185 (or 339182 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 971625448773 in words is "nine hundred seventy-one billion, six hundred twenty-five million, four hundred forty-eight thousand, seven hundred seventy-three".