85460399 has 2 divisors, whose sum is σ = 85460400. Its totient is φ = 85460398.

The previous prime is 85460363. The next prime is 85460407. The reversal of 85460399 is 99306458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85460399 - 2²⁴ = 68683183 is a prime.

It is a super-4 number, since 4×85460399⁴ (a number of 33 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85465399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42730199 + 42730200.

It is an arithmetic number, because the mean of its divisors is an integer number (42730200).

Almost surely, 2^85460399 is an apocalyptic number.

85460399 is a deficient number, since it is larger than the sum of its proper divisors (1).

85460399 is an equidigital number, since it uses as much as digits as its factorization.

85460399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 85460399 is about 9244.4793796081. The cubic root of 85460399 is about 440.4753798056.

The spelling of 85460399 in words is "eighty-five million, four hundred sixty thousand, three hundred ninety-nine".