972776479 has 2 divisors, whose sum is σ = 972776480. Its totient is φ = 972776478.

The previous prime is 972776473. The next prime is 972776489. The reversal of 972776479 is 974677279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972776479 - 2⁵ = 972776447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972776473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486388239 + 486388240.

It is an arithmetic number, because the mean of its divisors is an integer number (486388240).

Almost surely, 2^972776479 is an apocalyptic number.

972776479 is a deficient number, since it is larger than the sum of its proper divisors (1).

972776479 is an equidigital number, since it uses as much as digits as its factorization.

972776479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9335088, while the sum is 58.

The square root of 972776479 is about 31189.3648380341. The cubic root of 972776479 is about 990.8418778326.

The spelling of 972776479 in words is "nine hundred seventy-two million, seven hundred seventy-six thousand, four hundred seventy-nine".