85404999 has 8 divisors (see below), whose sum is σ = 114061552. Its totient is φ = 56842560.

The previous prime is 85404973. The next prime is 85405013. The reversal of 85404999 is 99940458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85404999 - 2⁸ = 85404743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85404959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21382 + ... + 25059.

It is an arithmetic number, because the mean of its divisors is an integer number (14257694).

Almost surely, 2^85404999 is an apocalyptic number.

85404999 is a deficient number, since it is larger than the sum of its proper divisors (28656553).

85404999 is a wasteful number, since it uses less digits than its factorization.

85404999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47057.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 85404999 is about 9241.4825109395. The cubic root of 85404999 is about 440.3801793339.

The spelling of 85404999 in words is "eighty-five million, four hundred four thousand, nine hundred ninety-nine".