85183982139 has 16 divisors (see below), whose sum is σ = 119562652800. Its totient is φ = 53797625856.

The previous prime is 85183982129. The next prime is 85183982153. The reversal of 85183982139 is 93128938158.

It is not a de Polignac number, because 85183982139 - 2⁷ = 85183982011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (85183982129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139952 + ... + 2179394.

It is an arithmetic number, because the mean of its divisors is an integer number (7472665800).

Almost surely, 2^85183982139 is an apocalyptic number.

85183982139 is a deficient number, since it is larger than the sum of its proper divisors (34378670661).

85183982139 is a wasteful number, since it uses less digits than its factorization.

85183982139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77354.

The product of its digits is 3732480, while the sum is 57.

The spelling of 85183982139 in words is "eighty-five billion, one hundred eighty-three million, nine hundred eighty-two thousand, one hundred thirty-nine".