85927091 has 2 divisors, whose sum is σ = 85927092. Its totient is φ = 85927090.

The previous prime is 85927081. The next prime is 85927117. The reversal of 85927091 is 19072958.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85927091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85927081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42963545 + 42963546.

It is an arithmetic number, because the mean of its divisors is an integer number (42963546).

Almost surely, 2^85927091 is an apocalyptic number.

85927091 is a deficient number, since it is larger than the sum of its proper divisors (1).

85927091 is an equidigital number, since it uses as much as digits as its factorization.

85927091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 85927091 is about 9269.6866721589. The cubic root of 85927091 is about 441.2757242772.

The spelling of 85927091 in words is "eighty-five million, nine hundred twenty-seven thousand, ninety-one".