85010001851 has 8 divisors (see below), whose sum is σ = 90209583360. Its totient is φ = 79935711592.

The previous prime is 85010001823. The next prime is 85010001859. The reversal of 85010001851 is 15810001058.

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

It is a cyclic number.

It is not a de Polignac number, because 85010001851 - 2¹⁰ = 85010000827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85010001859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31321415 + ... + 31324128.

It is an arithmetic number, because the mean of its divisors is an integer number (11276197920).

Almost surely, 2^85010001851 is an apocalyptic number.

85010001851 is a deficient number, since it is larger than the sum of its proper divisors (5199581509).

85010001851 is a wasteful number, since it uses less digits than its factorization.

85010001851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62645625.

The product of its (nonzero) digits is 1600, while the sum is 29.

The spelling of 85010001851 in words is "eighty-five billion, ten million, one thousand, eight hundred fifty-one".