85087733 has 2 divisors, whose sum is σ = 85087734. Its totient is φ = 85087732.

The previous prime is 85087633. The next prime is 85087811. The reversal of 85087733 is 33778058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83594449 + 1493284 = 9143^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 85087733 - 2¹⁰ = 85086709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85087433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42543866 + 42543867.

It is an arithmetic number, because the mean of its divisors is an integer number (42543867).

Almost surely, 2^85087733 is an apocalyptic number.

It is an amenable number.

85087733 is a deficient number, since it is larger than the sum of its proper divisors (1).

85087733 is an equidigital number, since it uses as much as digits as its factorization.

85087733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 85087733 is about 9224.3012201467. The cubic root of 85087733 is about 439.8341885558.

The spelling of 85087733 in words is "eighty-five million, eighty-seven thousand, seven hundred thirty-three".