972263388159 has 16 divisors (see below), whose sum is σ = 1646160234240. Its totient is φ = 555579078840.

The previous prime is 972263388157. The next prime is 972263388163. The reversal of 972263388159 is 951883362279.

It is not a de Polignac number, because 972263388159 - 2¹ = 972263388157 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 972263388096 and 972263388105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972263388157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572125177 + ... + 2572125554.

It is an arithmetic number, because the mean of its divisors is an integer number (102885014640).

Almost surely, 2^972263388159 is an apocalyptic number.

972263388159 is a deficient number, since it is larger than the sum of its proper divisors (673896846081).

972263388159 is a wasteful number, since it uses less digits than its factorization.

972263388159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144250747 (or 5144250741 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 972263388159 in words is "nine hundred seventy-two billion, two hundred sixty-three million, three hundred eighty-eight thousand, one hundred fifty-nine".