972936827 has 4 divisors (see below), whose sum is σ = 974325456. Its totient is φ = 971548200.

The previous prime is 972936821. The next prime is 972936841. The reversal of 972936827 is 728639279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728639279 = 9007 ⋅80897.

It is a cyclic number.

It is not a de Polignac number, because 972936827 - 2¹² = 972932731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972936821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693263 + ... + 694664.

It is an arithmetic number, because the mean of its divisors is an integer number (243581364).

Almost surely, 2^972936827 is an apocalyptic number.

972936827 is a deficient number, since it is larger than the sum of its proper divisors (1388629).

972936827 is a wasteful number, since it uses less digits than its factorization.

972936827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388628.

The product of its digits is 2286144, while the sum is 53.

The square root of 972936827 is about 31191.9352878272. The cubic root of 972936827 is about 990.8963167806.

The spelling of 972936827 in words is "nine hundred seventy-two million, nine hundred thirty-six thousand, eight hundred twenty-seven".