86851098 has 24 divisors (see below), whose sum is σ = 188967636. Its totient is φ = 28828800.

The previous prime is 86851097. The next prime is 86851103. The reversal of 86851098 is 89015868.

It can be written as a sum of positive squares in 2 ways, for example, as 84768849 + 2082249 = 9207^2 + 1443^2 .

It is a super-2 number, since 2×86851098² = 15086226447611208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86851097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5673 + ... + 14348.

Almost surely, 2^86851098 is an apocalyptic number.

86851098 is an abundant number, since it is smaller than the sum of its proper divisors (102116538).

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

86851098 is a wasteful number, since it uses less digits than its factorization.

86851098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270 (or 20267 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 86851098 is about 9319.3936498036. The cubic root of 86851098 is about 442.8518239984.

The spelling of 86851098 in words is "eighty-six million, eight hundred fifty-one thousand, ninety-eight".