85900037 has 2 divisors, whose sum is σ = 85900038. Its totient is φ = 85900036.

The previous prime is 85900027. The next prime is 85900057. The reversal of 85900037 is 73000958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44542276 + 41357761 = 6674^2 + 6431^2 .

It is a cyclic number.

It is not a de Polignac number, because 85900037 - 2⁴ = 85900021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85899976 and 85900012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85900027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42950018 + 42950019.

It is an arithmetic number, because the mean of its divisors is an integer number (42950019).

Almost surely, 2^85900037 is an apocalyptic number.

It is an amenable number.

85900037 is a deficient number, since it is larger than the sum of its proper divisors (1).

85900037 is an equidigital number, since it uses as much as digits as its factorization.

85900037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 85900037 is about 9268.2272846537. The cubic root of 85900037 is about 441.2294077762.

The spelling of 85900037 in words is "eighty-five million, nine hundred thousand, thirty-seven".