76716811 has 4 divisors (see below), whose sum is σ = 78164352. Its totient is φ = 75269272.

The previous prime is 76716797. The next prime is 76716823. The reversal of 76716811 is 11861767.

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

It is a cyclic number.

It is not a de Polignac number, because 76716811 - 2⁵ = 76716779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76716841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723691 + ... + 723796.

It is an arithmetic number, because the mean of its divisors is an integer number (19541088).

Almost surely, 2^76716811 is an apocalyptic number.

76716811 is a deficient number, since it is larger than the sum of its proper divisors (1447541).

76716811 is a wasteful number, since it uses less digits than its factorization.

76716811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447540.

The product of its digits is 14112, while the sum is 37.

The square root of 76716811 is about 8758.8133328665. The cubic root of 76716811 is about 424.9098973927.

It can be divided in two parts, 767 and 16811, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 76716811 in words is "seventy-six million, seven hundred sixteen thousand, eight hundred eleven".