77026085 has 16 divisors (see below), whose sum is σ = 95023152. Its totient is φ = 59904000.

The previous prime is 77026039. The next prime is 77026087. The reversal of 77026085 is 58062077.

It can be written as a sum of positive squares in 8 ways, for example, as 6180196 + 70845889 = 2486^2 + 8417^2 .

It is not a de Polignac number, because 77026085 - 2⁶ = 77026021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77026087) 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, 81737 + ... + 82673.

It is an arithmetic number, because the mean of its divisors is an integer number (5938947).

Almost surely, 2^77026085 is an apocalyptic number.

It is an amenable number.

77026085 is a deficient number, since it is larger than the sum of its proper divisors (17997067).

77026085 is a wasteful number, since it uses less digits than its factorization.

77026085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

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

The square root of 77026085 is about 8776.4505923522. The cubic root of 77026085 is about 425.4801217629.

The spelling of 77026085 in words is "seventy-seven million, twenty-six thousand, eighty-five".