77101928941 has 2 divisors, whose sum is σ = 77101928942. Its totient is φ = 77101928940.

The previous prime is 77101928927. The next prime is 77101928957. The reversal of 77101928941 is 14982910177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73253587716 + 3848341225 = 270654^2 + 62035^2 .

It is an emirp because it is prime and its reverse (14982910177) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77101928941 is a prime.

It is a super-3 number, since 3×77101928941³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77101922941) 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, 38550964470 + 38550964471.

It is an arithmetic number, because the mean of its divisors is an integer number (38550964471).

Almost surely, 2^77101928941 is an apocalyptic number.

It is an amenable number.

77101928941 is a deficient number, since it is larger than the sum of its proper divisors (1).

77101928941 is an equidigital number, since it uses as much as digits as its factorization.

77101928941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 77101928941 in words is "seventy-seven billion, one hundred one million, nine hundred twenty-eight thousand, nine hundred forty-one".