84808755 has 16 divisors (see below), whose sum is σ = 150771360. Its totient is φ = 45231264.

The previous prime is 84808747. The next prime is 84808769. The reversal of 84808755 is 55780848.

It is not a de Polignac number, because 84808755 - 2³ = 84808747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 84808755.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 313972 + ... + 314241.

It is an arithmetic number, because the mean of its divisors is an integer number (9423210).

Almost surely, 2^84808755 is an apocalyptic number.

84808755 is a deficient number, since it is larger than the sum of its proper divisors (65962605).

84808755 is a wasteful number, since it uses less digits than its factorization.

84808755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628227 (or 628221 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 84808755 is about 9209.1669004313. The cubic root of 84808755 is about 439.3529659933.

The spelling of 84808755 in words is "eighty-four million, eight hundred eight thousand, seven hundred fifty-five".