76677109 has 2 divisors, whose sum is σ = 76677110. Its totient is φ = 76677108.

The previous prime is 76677091. The next prime is 76677113. The reversal of 76677109 is 90177667.

It is a happy number.

Together with previous prime (76677091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56400100 + 20277009 = 7510^2 + 4503^2 .

It is a cyclic number.

It is not a de Polignac number, because 76677109 - 2⁹ = 76676597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76677169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38338554 + 38338555.

It is an arithmetic number, because the mean of its divisors is an integer number (38338555).

Almost surely, 2^76677109 is an apocalyptic number.

It is an amenable number.

76677109 is a deficient number, since it is larger than the sum of its proper divisors (1).

76677109 is an equidigital number, since it uses as much as digits as its factorization.

76677109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 76677109 is about 8756.5466366599. The cubic root of 76677109 is about 424.8365858483.

The spelling of 76677109 in words is "seventy-six million, six hundred seventy-seven thousand, one hundred nine".