84855850 has 24 divisors (see below), whose sum is σ = 158174028. Its totient is φ = 33868800.

The previous prime is 84855847. The next prime is 84855851. The reversal of 84855850 is 5855848.

It can be written as a sum of positive squares in 6 ways, for example, as 57471561 + 27384289 = 7581^2 + 5233^2 .

It is a super-3 number, since 3×84855850³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84855797 and 84855806.

It is not an unprimeable number, because it can be changed into a prime (84855851) 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, 25482 + ... + 28618.

Almost surely, 2^84855850 is an apocalyptic number.

84855850 is a deficient number, since it is larger than the sum of its proper divisors (73318178).

84855850 is a wasteful number, since it uses less digits than its factorization.

84855850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 43.

The square root of 84855850 is about 9211.7235086600. The cubic root of 84855850 is about 439.4342763843.

The spelling of 84855850 in words is "eighty-four million, eight hundred fifty-five thousand, eight hundred fifty".