85507337 has 2 divisors, whose sum is σ = 85507338. Its totient is φ = 85507336.

The previous prime is 85507271. The next prime is 85507351. The reversal of 85507337 is 73370558.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44342281 + 41165056 = 6659^2 + 6416^2 .

It is a cyclic number.

It is not a de Polignac number, because 85507337 - 2²⁰ = 84458761 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85507337.

It is not a weakly prime, because it can be changed into another prime (85507937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42753668 + 42753669.

It is an arithmetic number, because the mean of its divisors is an integer number (42753669).

Almost surely, 2^85507337 is an apocalyptic number.

It is an amenable number.

85507337 is a deficient number, since it is larger than the sum of its proper divisors (1).

85507337 is an equidigital number, since it uses as much as digits as its factorization.

85507337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 85507337 is about 9247.0177354648. The cubic root of 85507337 is about 440.5560068158.

The spelling of 85507337 in words is "eighty-five million, five hundred seven thousand, three hundred thirty-seven".