972647615 has 8 divisors (see below), whose sum is σ = 1179210480. Its totient is φ = 770095872.

The previous prime is 972647603. The next prime is 972647629. The reversal of 972647615 is 516746279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972647615 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 972647615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002245 + ... + 1003214.

It is an arithmetic number, because the mean of its divisors is an integer number (147401310).

Almost surely, 2^972647615 is an apocalyptic number.

972647615 is a deficient number, since it is larger than the sum of its proper divisors (206562865).

972647615 is a wasteful number, since it uses less digits than its factorization.

972647615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005561.

The product of its digits is 635040, while the sum is 47.

The square root of 972647615 is about 31187.2989372276. The cubic root of 972647615 is about 990.7981235242.

The spelling of 972647615 in words is "nine hundred seventy-two million, six hundred forty-seven thousand, six hundred fifteen".