85138049330 has 16 divisors (see below), whose sum is σ = 153388206360. Its totient is φ = 34024171392.

The previous prime is 85138049327. The next prime is 85138049341. The reversal of 85138049330 is 3394083158.

It can be written as a sum of positive squares in 4 ways, for example, as 68695885801 + 16442163529 = 262099^2 + 128227^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3869525 + ... + 3891464.

Almost surely, 2^85138049330 is an apocalyptic number.

85138049330 is a deficient number, since it is larger than the sum of its proper divisors (68250157030).

85138049330 is a wasteful number, since it uses less digits than its factorization.

85138049330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762093.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 85138049330 in words is "eighty-five billion, one hundred thirty-eight million, forty-nine thousand, three hundred thirty".