85326691 has 2 divisors, whose sum is σ = 85326692. Its totient is φ = 85326690.

The previous prime is 85326653. The next prime is 85326727. The reversal of 85326691 is 19662358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85326691 - 2¹¹ = 85324643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85326611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42663345 + 42663346.

It is an arithmetic number, because the mean of its divisors is an integer number (42663346).

Almost surely, 2^85326691 is an apocalyptic number.

85326691 is a deficient number, since it is larger than the sum of its proper divisors (1).

85326691 is an equidigital number, since it uses as much as digits as its factorization.

85326691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 85326691 is about 9237.2447731994. The cubic root of 85326691 is about 440.2455430451.

The spelling of 85326691 in words is "eighty-five million, three hundred twenty-six thousand, six hundred ninety-one".