86426473850 has 24 divisors (see below), whose sum is σ = 160793242428. Its totient is φ = 34561987200.

The previous prime is 86426473843. The next prime is 86426473867. The reversal of 86426473850 is 5837462468.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 14324020489 + 72102453361 = 119683^2 + 268519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86426473792 and 86426473801.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10181 + ... + 415880.

Almost surely, 2^86426473850 is an apocalyptic number.

86426473850 is a deficient number, since it is larger than the sum of its proper divisors (74366768578).

86426473850 is a wasteful number, since it uses less digits than its factorization.

86426473850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430130 (or 430125 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 86426473850 in words is "eighty-six billion, four hundred twenty-six million, four hundred seventy-three thousand, eight hundred fifty".