76680055 has 4 divisors (see below), whose sum is σ = 92016072. Its totient is φ = 61344040.

The previous prime is 76680053. The next prime is 76680059. The reversal of 76680055 is 55008667.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 76680055 - 2¹ = 76680053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76679996 and 76680023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76680053) 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 in 3 ways as a sum of consecutive naturals, for example, 7668001 + ... + 7668010.

It is an arithmetic number, because the mean of its divisors is an integer number (23004018).

Almost surely, 2^76680055 is an apocalyptic number.

76680055 is a deficient number, since it is larger than the sum of its proper divisors (15336017).

76680055 is a wasteful number, since it uses less digits than its factorization.

76680055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336016.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 76680055 is about 8756.7148520435. The cubic root of 76680055 is about 424.8420266400.

The spelling of 76680055 in words is "seventy-six million, six hundred eighty thousand, fifty-five".