85051137830 has 8 divisors (see below), whose sum is σ = 153092048112. Its totient is φ = 34020455128.

The previous prime is 85051137817. The next prime is 85051137833. The reversal of 85051137830 is 3873115058.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85051137833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4252556882 + ... + 4252556901.

It is an arithmetic number, because the mean of its divisors is an integer number (19136506014).

Almost surely, 2^85051137830 is an apocalyptic number.

85051137830 is a deficient number, since it is larger than the sum of its proper divisors (68040910282).

85051137830 is a wasteful number, since it uses less digits than its factorization.

85051137830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505113790.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 85051137830 in words is "eighty-five billion, fifty-one million, one hundred thirty-seven thousand, eight hundred thirty".