972978941 has 8 divisors (see below), whose sum is σ = 1061658144. Its totient is φ = 884337520.

The previous prime is 972978911. The next prime is 972978947. The reversal of 972978941 is 149879279.

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

It is not a de Polignac number, because 972978941 - 2²² = 968784637 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 (972978947) 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 7 ways as a sum of consecutive naturals, for example, 89771 + ... + 100023.

It is an arithmetic number, because the mean of its divisors is an integer number (132707268).

Almost surely, 2^972978941 is an apocalyptic number.

It is an amenable number.

972978941 is a deficient number, since it is larger than the sum of its proper divisors (88679203).

972978941 is a wasteful number, since it uses less digits than its factorization.

972978941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18891.

The product of its digits is 2286144, while the sum is 56.

The square root of 972978941 is about 31192.6103588654. The cubic root of 972978941 is about 990.9106137025.

The spelling of 972978941 in words is "nine hundred seventy-two million, nine hundred seventy-eight thousand, nine hundred forty-one".