851887788158 has 16 divisors (see below), whose sum is σ = 1394184806640. Its totient is φ = 387169886400.

The previous prime is 851887788149. The next prime is 851887788203.

851887788158 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×851887788158² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423453 + ... + 2752616.

It is an arithmetic number, because the mean of its divisors is an integer number (87136550415).

Almost surely, 2^851887788158 is an apocalyptic number.

851887788158 is a deficient number, since it is larger than the sum of its proper divisors (542297018482).

851887788158 is a wasteful number, since it uses less digits than its factorization.

851887788158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183563.

The product of its digits is 321126400, while the sum is 74.

The spelling of 851887788158 in words is "eight hundred fifty-one billion, eight hundred eighty-seven million, seven hundred eighty-eight thousand, one hundred fifty-eight".