853130977 has 2 divisors, whose sum is σ = 853130978. Its totient is φ = 853130976.

The previous prime is 853130947. The next prime is 853131001. The reversal of 853130977 is 779031358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686230416 + 166900561 = 26196^2 + 12919^2 .

It is a cyclic number.

It is not a de Polignac number, because 853130977 - 2¹¹ = 853128929 is a prime.

It is not a weakly prime, because it can be changed into another prime (853130947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426565488 + 426565489.

It is an arithmetic number, because the mean of its divisors is an integer number (426565489).

Almost surely, 2^853130977 is an apocalyptic number.

It is an amenable number.

853130977 is a deficient number, since it is larger than the sum of its proper divisors (1).

853130977 is an equidigital number, since it uses as much as digits as its factorization.

853130977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 853130977 is about 29208.4059304851. The cubic root of 853130977 is about 948.4299002819.

The spelling of 853130977 in words is "eight hundred fifty-three million, one hundred thirty thousand, nine hundred seventy-seven".