77062085 has 8 divisors (see below), whose sum is σ = 93741720. Its totient is φ = 60804864.

The previous prime is 77062079. The next prime is 77062087. The reversal of 77062085 is 58026077.

It can be written as a sum of positive squares in 4 ways, for example, as 12837889 + 64224196 = 3583^2 + 8014^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 77062085 - 2⁶ = 77062021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77062087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105200 + ... + 105929.

It is an arithmetic number, because the mean of its divisors is an integer number (11717715).

Almost surely, 2^77062085 is an apocalyptic number.

It is an amenable number.

77062085 is a deficient number, since it is larger than the sum of its proper divisors (16679635).

77062085 is a wasteful number, since it uses less digits than its factorization.

77062085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211207.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 77062085 is about 8778.5012957794. The cubic root of 77062085 is about 425.5463975737.

The spelling of 77062085 in words is "seventy-seven million, sixty-two thousand, eighty-five".