972753800687 has 4 divisors (see below), whose sum is σ = 973989829176. Its totient is φ = 971517772200.

The previous prime is 972753800639. The next prime is 972753800693. The reversal of 972753800687 is 786008357279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786008357279 = 1663 ⋅472644833.

It is a cyclic number.

It is not a de Polignac number, because 972753800687 - 2²² = 972749606383 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 (972750800687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618013064 + ... + 618014637.

It is an arithmetic number, because the mean of its divisors is an integer number (243497457294).

Almost surely, 2^972753800687 is an apocalyptic number.

972753800687 is a deficient number, since it is larger than the sum of its proper divisors (1236028489).

972753800687 is a wasteful number, since it uses less digits than its factorization.

972753800687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236028488.

The product of its (nonzero) digits is 35562240, while the sum is 62.

The spelling of 972753800687 in words is "nine hundred seventy-two billion, seven hundred fifty-three million, eight hundred thousand, six hundred eighty-seven".