85776037 has 2 divisors, whose sum is σ = 85776038. Its totient is φ = 85776036.

The previous prime is 85776011. The next prime is 85776071. The reversal of 85776037 is 73067758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60233121 + 25542916 = 7761^2 + 5054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85776037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85775984 and 85776002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85776007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42888018 + 42888019.

It is an arithmetic number, because the mean of its divisors is an integer number (42888019).

Almost surely, 2^85776037 is an apocalyptic number.

It is an amenable number.

85776037 is a deficient number, since it is larger than the sum of its proper divisors (1).

85776037 is an equidigital number, since it uses as much as digits as its factorization.

85776037 is an evil number, because the sum of its binary digits is even.

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

The square root of 85776037 is about 9261.5353478783. The cubic root of 85776037 is about 441.0169950070.

The spelling of 85776037 in words is "eighty-five million, seven hundred seventy-six thousand, thirty-seven".