85936429 has 2 divisors, whose sum is σ = 85936430. Its totient is φ = 85936428.

The previous prime is 85936423. The next prime is 85936463. The reversal of 85936429 is 92463958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59259204 + 26677225 = 7698^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 85936429 - 2³ = 85936421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85936421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42968214 + 42968215.

It is an arithmetic number, because the mean of its divisors is an integer number (42968215).

Almost surely, 2^85936429 is an apocalyptic number.

It is an amenable number.

85936429 is a deficient number, since it is larger than the sum of its proper divisors (1).

85936429 is an equidigital number, since it uses as much as digits as its factorization.

85936429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 85936429 is about 9270.1903432454. The cubic root of 85936429 is about 441.2917086945.

The spelling of 85936429 in words is "eighty-five million, nine hundred thirty-six thousand, four hundred twenty-nine".