851860026 has 12 divisors (see below), whose sum is σ = 1845696762. Its totient is φ = 283953336.

The previous prime is 851860019. The next prime is 851860073. The reversal of 851860026 is 620068158.

It is a happy number.

851860026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 826850025 + 25010001 = 28755^2 + 5001^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23662761 + ... + 23662796.

Almost surely, 2^851860026 is an apocalyptic number.

851860026 is an abundant number, since it is smaller than the sum of its proper divisors (993836736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

851860026 is a wasteful number, since it uses less digits than its factorization.

851860026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47325565 (or 47325562 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 851860026 is about 29186.6412250536. The cubic root of 851860026 is about 947.9586920526.

The spelling of 851860026 in words is "eight hundred fifty-one million, eight hundred sixty thousand, twenty-six".