76716851 has 4 divisors (see below), whose sum is σ = 80754600. Its totient is φ = 72679104.

The previous prime is 76716841. The next prime is 76716923. The reversal of 76716851 is 15861767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15861767 = 223 ⋅71129.

It is not a de Polignac number, because 76716851 - 2²⁶ = 9607987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76716799 and 76716808.

It is not an unprimeable number, because it can be changed into a prime (76716841) 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, 2018846 + ... + 2018883.

It is an arithmetic number, because the mean of its divisors is an integer number (20188650).

Almost surely, 2^76716851 is an apocalyptic number.

76716851 is a deficient number, since it is larger than the sum of its proper divisors (4037749).

76716851 is a wasteful number, since it uses less digits than its factorization.

76716851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037748.

The product of its digits is 70560, while the sum is 41.

The square root of 76716851 is about 8758.8156162805. The cubic root of 76716851 is about 424.9099712418.

The spelling of 76716851 in words is "seventy-six million, seven hundred sixteen thousand, eight hundred fifty-one".