85008157949 has 16 divisors (see below), whose sum is σ = 100052393280. Its totient is φ = 71205039360.

The previous prime is 85008157921. The next prime is 85008157957. The reversal of 85008157949 is 94975180058.

It is a de Polignac number, because none of the positive numbers 2^k-85008157949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85008157894 and 85008157903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85008157049) 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, 465164 + ... + 621605.

It is an arithmetic number, because the mean of its divisors is an integer number (6253274580).

Almost surely, 2^85008157949 is an apocalyptic number.

It is an amenable number.

85008157949 is a deficient number, since it is larger than the sum of its proper divisors (15044235331).

85008157949 is a wasteful number, since it uses less digits than its factorization.

85008157949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087340.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 85008157949 in words is "eighty-five billion, eight million, one hundred fifty-seven thousand, nine hundred forty-nine".