916970377 has 2 divisors, whose sum is σ = 916970378. Its totient is φ = 916970376.

The previous prime is 916970357. The next prime is 916970443. The reversal of 916970377 is 773079619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 589324176 + 327646201 = 24276^2 + 18101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-916970377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 916970377.

It is not a weakly prime, because it can be changed into another prime (916970317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458485188 + 458485189.

It is an arithmetic number, because the mean of its divisors is an integer number (458485189).

Almost surely, 2^916970377 is an apocalyptic number.

It is an amenable number.

916970377 is a deficient number, since it is larger than the sum of its proper divisors (1).

916970377 is an equidigital number, since it uses as much as digits as its factorization.

916970377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500094, while the sum is 49.

The square root of 916970377 is about 30281.5187366816. The cubic root of 916970377 is about 971.5200516410.

The spelling of 916970377 in words is "nine hundred sixteen million, nine hundred seventy thousand, three hundred seventy-seven".