85783741 has 2 divisors, whose sum is σ = 85783742. Its totient is φ = 85783740.

The previous prime is 85783703. The next prime is 85783757. The reversal of 85783741 is 14738758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 756900 = 9221^2 + 870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85783741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85783771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42891870 + 42891871.

It is an arithmetic number, because the mean of its divisors is an integer number (42891871).

Almost surely, 2^85783741 is an apocalyptic number.

It is an amenable number.

85783741 is a deficient number, since it is larger than the sum of its proper divisors (1).

85783741 is an equidigital number, since it uses as much as digits as its factorization.

85783741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 43.

The square root of 85783741 is about 9261.9512523010. The cubic root of 85783741 is about 441.0301979688.

The spelling of 85783741 in words is "eighty-five million, seven hundred eighty-three thousand, seven hundred forty-one".