85892761 has 2 divisors, whose sum is σ = 85892762. Its totient is φ = 85892760.

The previous prime is 85892759. The next prime is 85892771. The reversal of 85892761 is 16729858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85747600 + 145161 = 9260^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 85892761 - 2¹ = 85892759 is a prime.

Together with 85892759, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (85892771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42946380 + 42946381.

It is an arithmetic number, because the mean of its divisors is an integer number (42946381).

Almost surely, 2^85892761 is an apocalyptic number.

It is an amenable number.

85892761 is a deficient number, since it is larger than the sum of its proper divisors (1).

85892761 is an equidigital number, since it uses as much as digits as its factorization.

85892761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 85892761 is about 9267.8347525191. The cubic root of 85892761 is about 441.2169495906.

The spelling of 85892761 in words is "eighty-five million, eight hundred ninety-two thousand, seven hundred sixty-one".