972477663 has 8 divisors (see below), whose sum is σ = 1301803776. Its totient is φ = 645735000.

The previous prime is 972477643. The next prime is 972477691. The reversal of 972477663 is 366774279.

It is a happy number.

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

It is not a de Polignac number, because 972477663 - 2¹⁷ = 972346591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972477643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644983 + ... + 646488.

It is an arithmetic number, because the mean of its divisors is an integer number (162725472).

Almost surely, 2^972477663 is an apocalyptic number.

972477663 is a deficient number, since it is larger than the sum of its proper divisors (329326113).

972477663 is a wasteful number, since it uses less digits than its factorization.

972477663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291725.

The product of its digits is 2667168, while the sum is 51.

The square root of 972477663 is about 31184.5741192661. The cubic root of 972477663 is about 990.7404123420.

The spelling of 972477663 in words is "nine hundred seventy-two million, four hundred seventy-seven thousand, six hundred sixty-three".