76877429 has 2 divisors, whose sum is σ = 76877430. Its totient is φ = 76877428.

The previous prime is 76877393. The next prime is 76877443. The reversal of 76877429 is 92477867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45495025 + 31382404 = 6745^2 + 5602^2 .

It is a cyclic number.

It is not a de Polignac number, because 76877429 - 2²⁰ = 75828853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76877029) 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, 38438714 + 38438715.

It is an arithmetic number, because the mean of its divisors is an integer number (38438715).

Almost surely, 2^76877429 is an apocalyptic number.

It is an amenable number.

76877429 is a deficient number, since it is larger than the sum of its proper divisors (1).

76877429 is an equidigital number, since it uses as much as digits as its factorization.

76877429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 76877429 is about 8767.9774748798. The cubic root of 76877429 is about 425.2062279410.

The spelling of 76877429 in words is "seventy-six million, eight hundred seventy-seven thousand, four hundred twenty-nine".