972040477 has 2 divisors, whose sum is σ = 972040478. Its totient is φ = 972040476.

The previous prime is 972040469. The next prime is 972040493. The reversal of 972040477 is 774040279.

972040477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613354756 + 358685721 = 24766^2 + 18939^2 .

It is an emirp because it is prime and its reverse (774040279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 972040477 - 2³ = 972040469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972040427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486020238 + 486020239.

It is an arithmetic number, because the mean of its divisors is an integer number (486020239).

Almost surely, 2^972040477 is an apocalyptic number.

It is an amenable number.

972040477 is a deficient number, since it is larger than the sum of its proper divisors (1).

972040477 is an equidigital number, since it uses as much as digits as its factorization.

972040477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 972040477 is about 31177.5636796720. The cubic root of 972040477 is about 990.5919246945.

The spelling of 972040477 in words is "nine hundred seventy-two million, forty thousand, four hundred seventy-seven".