76876565 has 16 divisors (see below), whose sum is σ = 99736320. Its totient is φ = 56687040.

The previous prime is 76876549. The next prime is 76876571. The reversal of 76876565 is 56567867.

It is a happy number.

It is not a de Polignac number, because 76876565 - 2⁴ = 76876549 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7421 + ... + 14450.

It is an arithmetic number, because the mean of its divisors is an integer number (6233520).

Almost surely, 2^76876565 is an apocalyptic number.

It is an amenable number.

76876565 is a deficient number, since it is larger than the sum of its proper divisors (22859755).

76876565 is a wasteful number, since it uses less digits than its factorization.

76876565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21932.

The product of its digits is 2116800, while the sum is 50.

The square root of 76876565 is about 8767.9282045418. The cubic root of 76876565 is about 425.2046350176.

The spelling of 76876565 in words is "seventy-six million, eight hundred seventy-six thousand, five hundred sixty-five".