85951427 has 2 divisors, whose sum is σ = 85951428. Its totient is φ = 85951426.

The previous prime is 85951423. The next prime is 85951469. The reversal of 85951427 is 72415958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85951427 - 2² = 85951423 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85951423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42975713 + 42975714.

It is an arithmetic number, because the mean of its divisors is an integer number (42975714).

Almost surely, 2^85951427 is an apocalyptic number.

85951427 is a deficient number, since it is larger than the sum of its proper divisors (1).

85951427 is an equidigital number, since it uses as much as digits as its factorization.

85951427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The square root of 85951427 is about 9270.9992449574. Note that the first 3 decimals coincide. The cubic root of 85951427 is about 441.3173792518.

The spelling of 85951427 in words is "eighty-five million, nine hundred fifty-one thousand, four hundred twenty-seven".