84861508 has 24 divisors (see below), whose sum is σ = 156570624. Its totient is φ = 40185600.

The previous prime is 84861503. The next prime is 84861541. The reversal of 84861508 is 80516848.

It is a super-3 number, since 3×84861508³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (84861503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 13108.

It is an arithmetic number, because the mean of its divisors is an integer number (6523776).

Almost surely, 2^84861508 is an apocalyptic number.

It is an amenable number.

84861508 is a deficient number, since it is larger than the sum of its proper divisors (71709116).

84861508 is a wasteful number, since it uses less digits than its factorization.

84861508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14643 (or 14641 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 84861508 is about 9212.0306121940. The cubic root of 84861508 is about 439.4440430018. Note that the first 3 decimals are identical.

Adding to 84861508 its product of nonzero digits (61440), we get a palindrome (84922948).

The spelling of 84861508 in words is "eighty-four million, eight hundred sixty-one thousand, five hundred eight".