85090577 has 8 divisors (see below), whose sum is σ = 99966720. Its totient is φ = 71404560.

The previous prime is 85090571. The next prime is 85090597. The reversal of 85090577 is 77509058.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85090577 - 2⁶ = 85090513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85090571) 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, 297377 + ... + 297662.

It is an arithmetic number, because the mean of its divisors is an integer number (12495840).

Almost surely, 2^85090577 is an apocalyptic number.

It is an amenable number.

85090577 is a deficient number, since it is larger than the sum of its proper divisors (14876143).

85090577 is a wasteful number, since it uses less digits than its factorization.

85090577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595063.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 85090577 is about 9224.4553768773. The cubic root of 85090577 is about 439.8390888881.

The spelling of 85090577 in words is "eighty-five million, ninety thousand, five hundred seventy-seven".