85549658 has 8 divisors (see below), whose sum is σ = 128655540. Its totient is φ = 42664480.

The previous prime is 85549643. The next prime is 85549663. The reversal of 85549658 is 85694558.

It can be written as a sum of positive squares in 2 ways, for example, as 82391929 + 3157729 = 9077^2 + 1777^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54203 + ... + 55758.

Almost surely, 2^85549658 is an apocalyptic number.

85549658 is a deficient number, since it is larger than the sum of its proper divisors (43105882).

85549658 is a wasteful number, since it uses less digits than its factorization.

85549658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110352.

The product of its digits is 1728000, while the sum is 50.

The square root of 85549658 is about 9249.3058117893. The cubic root of 85549658 is about 440.6286777555.

The spelling of 85549658 in words is "eighty-five million, five hundred forty-nine thousand, six hundred fifty-eight".