102768377 has 2 divisors, whose sum is σ = 102768378. Its totient is φ = 102768376.

The previous prime is 102768371. The next prime is 102768437. The reversal of 102768377 is 773867201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 40500496 = 7891^2 + 6364^2 .

It is an emirp because it is prime and its reverse (773867201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102768377 - 2²⁰ = 101719801 is a prime.

It is a super-2 number, since 2×102768377² = 21122678622428258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102768371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51384188 + 51384189.

It is an arithmetic number, because the mean of its divisors is an integer number (51384189).

Almost surely, 2^102768377 is an apocalyptic number.

It is an amenable number.

102768377 is a deficient number, since it is larger than the sum of its proper divisors (1).

102768377 is an equidigital number, since it uses as much as digits as its factorization.

102768377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 102768377 is about 10137.4738963906. The cubic root of 102768377 is about 468.4031775988.

The spelling of 102768377 in words is "one hundred two million, seven hundred sixty-eight thousand, three hundred seventy-seven".