381070706977 has 2 divisors, whose sum is σ = 381070706978. Its totient is φ = 381070706976.

The previous prime is 381070706957. The next prime is 381070707113. The reversal of 381070706977 is 779607070183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315485545761 + 65585161216 = 561681^2 + 256096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381070706977 is a prime.

It is not a weakly prime, because it can be changed into another prime (381070706917) 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, 190535353488 + 190535353489.

It is an arithmetic number, because the mean of its divisors is an integer number (190535353489).

Almost surely, 2^381070706977 is an apocalyptic number.

It is an amenable number.

381070706977 is a deficient number, since it is larger than the sum of its proper divisors (1).

381070706977 is an equidigital number, since it uses as much as digits as its factorization.

381070706977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3111696, while the sum is 55.

The spelling of 381070706977 in words is "three hundred eighty-one billion, seventy million, seven hundred six thousand, nine hundred seventy-seven".