76677121 has 2 divisors, whose sum is σ = 76677122. Its totient is φ = 76677120.

The previous prime is 76677113. The next prime is 76677137. The reversal of 76677121 is 12177667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48108096 + 28569025 = 6936^2 + 5345^2 .

It is an emirp because it is prime and its reverse (12177667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76677121 - 2³ = 76677113 is a prime.

It is not a weakly prime, because it can be changed into another prime (76677721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38338560 + 38338561.

It is an arithmetic number, because the mean of its divisors is an integer number (38338561).

It is a Proth number, since it is equal to 585 ⋅ 2¹⁷ + 1 and 585 < 2¹⁷.

Almost surely, 2^76677121 is an apocalyptic number.

It is an amenable number.

76677121 is a deficient number, since it is larger than the sum of its proper divisors (1).

76677121 is an equidigital number, since it uses as much as digits as its factorization.

76677121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 37.

The square root of 76677121 is about 8756.5473218615. The cubic root of 76677121 is about 424.8366080106.

The spelling of 76677121 in words is "seventy-six million, six hundred seventy-seven thousand, one hundred twenty-one".