85798387 has 2 divisors, whose sum is σ = 85798388. Its totient is φ = 85798386.

The previous prime is 85798381. The next prime is 85798393. The reversal of 85798387 is 78389758.

It is a balanced prime because it is at equal distance from previous prime (85798381) and next prime (85798393).

It is a cyclic number.

It is not a de Polignac number, because 85798387 - 2³ = 85798379 is a prime.

It is a super-2 number, since 2×85798387² = 14722726423603538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85798381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42899193 + 42899194.

It is an arithmetic number, because the mean of its divisors is an integer number (42899194).

Almost surely, 2^85798387 is an apocalyptic number.

85798387 is a deficient number, since it is larger than the sum of its proper divisors (1).

85798387 is an equidigital number, since it uses as much as digits as its factorization.

85798387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 55.

The square root of 85798387 is about 9262.7418726854. The cubic root of 85798387 is about 441.0552958123.

The spelling of 85798387 in words is "eighty-five million, seven hundred ninety-eight thousand, three hundred eighty-seven".