76121677 has 2 divisors, whose sum is σ = 76121678. Its totient is φ = 76121676.

The previous prime is 76121671. The next prime is 76121681. The reversal of 76121677 is 77612167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 1022121 = 8666^2 + 1011^2 .

It is an emirp because it is prime and its reverse (77612167) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76121677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76121671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38060838 + 38060839.

It is an arithmetic number, because the mean of its divisors is an integer number (38060839).

Almost surely, 2^76121677 is an apocalyptic number.

It is an amenable number.

76121677 is a deficient number, since it is larger than the sum of its proper divisors (1).

76121677 is an equidigital number, since it uses as much as digits as its factorization.

76121677 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 76121677 is about 8724.7737506482. The cubic root of 76121677 is about 423.8082915375.

The spelling of 76121677 in words is "seventy-six million, one hundred twenty-one thousand, six hundred seventy-seven".