77168085 has 8 divisors (see below), whose sum is σ = 123468960. Its totient is φ = 41156304.

The previous prime is 77168071. The next prime is 77168089. The reversal of 77168085 is 58086177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77168085 - 2⁷ = 77167957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77168089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572255 + ... + 2572284.

It is an arithmetic number, because the mean of its divisors is an integer number (15433620).

Almost surely, 2^77168085 is an apocalyptic number.

It is an amenable number.

77168085 is a deficient number, since it is larger than the sum of its proper divisors (46300875).

77168085 is a wasteful number, since it uses less digits than its factorization.

77168085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144547.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 77168085 is about 8784.5366980849. The cubic root of 77168085 is about 425.7414232327.

The spelling of 77168085 in words is "seventy-seven million, one hundred sixty-eight thousand, eighty-five".