85452379 has 2 divisors, whose sum is σ = 85452380. Its totient is φ = 85452378.

The previous prime is 85452361. The next prime is 85452427. The reversal of 85452379 is 97325458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85452379 - 2¹³ = 85444187 is a prime.

It is not a weakly prime, because it can be changed into another prime (85452349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42726189 + 42726190.

It is an arithmetic number, because the mean of its divisors is an integer number (42726190).

Almost surely, 2^85452379 is an apocalyptic number.

85452379 is a deficient number, since it is larger than the sum of its proper divisors (1).

85452379 is an equidigital number, since it uses as much as digits as its factorization.

85452379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 85452379 is about 9244.0455970316. The cubic root of 85452379 is about 440.4616006241.

The spelling of 85452379 in words is "eighty-five million, four hundred fifty-two thousand, three hundred seventy-nine".