970628377 has 2 divisors, whose sum is σ = 970628378. Its totient is φ = 970628376.

The previous prime is 970628339. The next prime is 970628381. The reversal of 970628377 is 773826079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957840601 + 12787776 = 30949^2 + 3576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970628377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 970628377.

It is not a weakly prime, because it can be changed into another prime (970628177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485314188 + 485314189.

It is an arithmetic number, because the mean of its divisors is an integer number (485314189).

Almost surely, 2^970628377 is an apocalyptic number.

It is an amenable number.

970628377 is a deficient number, since it is larger than the sum of its proper divisors (1).

970628377 is an equidigital number, since it uses as much as digits as its factorization.

970628377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 970628377 is about 31154.9093563117. The cubic root of 970628377 is about 990.1120088892.

It can be divided in two parts, 9706 and 28377, that added together give a palindrome (38083).

The spelling of 970628377 in words is "nine hundred seventy million, six hundred twenty-eight thousand, three hundred seventy-seven".