851376628 has 6 divisors (see below), whose sum is σ = 1489909106.
Its totient is φ = 425688312.
The previous prime is 851376619. The next prime is 851376629. The reversal of 851376628 is 826673158.
It can be written as a sum of positive squares in only one way, i.e., 746273124 + 105103504 = 27318^2 + 10252^2
It is a partition number, being equal to the number of ways a set of 113 identical objects can be partitioned into subset.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (851376629) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106422075 + ... + 106422082.
Almost surely, 2851376628 is an apocalyptic number.
It is an amenable number.
851376628 is a deficient number, since it is larger than the sum of its proper divisors (638532478).
851376628 is a wasteful number, since it uses less digits than its factorization.
851376628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212844161 (or 212844159 counting only the distinct ones).
The product of its digits is 483840, while the sum is 46.
The square root of 851376628 is about 29178.3588983342.
The cubic root of 851376628 is about 947.7793480182.
The spelling of 851376628 in words is "eight hundred fifty-one million, three hundred seventy-six thousand, six hundred twenty-eight".