77716067 has 16 divisors (see below), whose sum is σ = 91795200. Its totient is φ = 64864800.

The previous prime is 77716003. The next prime is 77716087. The reversal of 77716067 is 76061777.

It is not a de Polignac number, because 77716067 - 2⁶ = 77716003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77716087) 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 15 ways as a sum of consecutive naturals, for example, 27092 + ... + 29822.

It is an arithmetic number, because the mean of its divisors is an integer number (5737200).

Almost surely, 2^77716067 is an apocalyptic number.

77716067 is a deficient number, since it is larger than the sum of its proper divisors (14079133).

77716067 is a wasteful number, since it uses less digits than its factorization.

77716067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954.

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 77716067 is about 8815.6716703834. The cubic root of 77716067 is about 426.7467981686.

The spelling of 77716067 in words is "seventy-seven million, seven hundred sixteen thousand, sixty-seven".