84975550 has 24 divisors (see below), whose sum is σ = 172424232. Its totient is φ = 30900000.

The previous prime is 84975533. The next prime is 84975551. The reversal of 84975550 is 5557948.

It is a junction number, because it is equal to n+sod(n) for n = 84975497 and 84975506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84975551) 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, 76701 + ... + 77800.

It is an arithmetic number, because the mean of its divisors is an integer number (7184343).

Almost surely, 2^84975550 is an apocalyptic number.

84975550 is an abundant number, since it is smaller than the sum of its proper divisors (87448682).

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

84975550 is a wasteful number, since it uses less digits than its factorization.

84975550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154524 (or 154519 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 84975550 is about 9218.2183745017. The cubic root of 84975550 is about 439.6408053355.

The spelling of 84975550 in words is "eighty-four million, nine hundred seventy-five thousand, five hundred fifty".