85783589311898 has 8 divisors (see below), whose sum is σ = 128822106187092. Its totient is φ = 42842887249536.

The previous prime is 85783589311843. The next prime is 85783589311949. The reversal of 85783589311898 is 89811398538758.

It can be written as a sum of positive squares in 2 ways, for example, as 84477293469409 + 1306295842489 = 9191153^2 + 1142933^2 .

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

It is a super-2 number, since 2×85783589311898² (a number of 29 digits) contains 22 as substring.

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, 24453701015 + ... + 24453704522.

Almost surely, 2^{85783589311898} is an apocalyptic number.

85783589311898 is a deficient number, since it is larger than the sum of its proper divisors (43038516875194).

85783589311898 is a wasteful number, since it uses less digits than its factorization.

85783589311898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48907406416.

The product of its digits is 4180377600, while the sum is 83.

The spelling of 85783589311898 in words is "eighty-five trillion, seven hundred eighty-three billion, five hundred eighty-nine million, three hundred eleven thousand, eight hundred ninety-eight".