85076377 has 2 divisors, whose sum is σ = 85076378. Its totient is φ = 85076376.

The previous prime is 85076371. The next prime is 85076413. The reversal of 85076377 is 77367058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70207641 + 14868736 = 8379^2 + 3856^2 .

It is a cyclic number.

It is not a de Polignac number, because 85076377 - 2¹¹ = 85074329 is a prime.

It is a super-2 number, since 2×85076377² = 14475979846892258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85076371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42538188 + 42538189.

It is an arithmetic number, because the mean of its divisors is an integer number (42538189).

Almost surely, 2^85076377 is an apocalyptic number.

It is an amenable number.

85076377 is a deficient number, since it is larger than the sum of its proper divisors (1).

85076377 is an equidigital number, since it uses as much as digits as its factorization.

85076377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 85076377 is about 9223.6856516254. The cubic root of 85076377 is about 439.8146205990.

It can be divided in two parts, 8507 and 6377, that added together give a square (14884 = 122²).

The spelling of 85076377 in words is "eighty-five million, seventy-six thousand, three hundred seventy-seven".