84088545 has 64 divisors (see below), whose sum is σ = 150232320. Its totient is φ = 39968768.

The previous prime is 84088541. The next prime is 84088549. The reversal of 84088545 is 54588048.

It is an interprime number because it is at equal distance from previous prime (84088541) and next prime (84088549).

It is not a de Polignac number, because 84088545 - 2² = 84088541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84088497 and 84088506.

It is not an unprimeable number, because it can be changed into a prime (84088541) 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 63 ways as a sum of consecutive naturals, for example, 613717 + ... + 613853.

It is an arithmetic number, because the mean of its divisors is an integer number (2347380).

Almost surely, 2^84088545 is an apocalyptic number.

84088545 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84088545 is a deficient number, since it is larger than the sum of its proper divisors (66143775).

84088545 is a wasteful number, since it uses less digits than its factorization.

84088545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 84088545 is about 9169.9806433820. The cubic root of 84088545 is about 438.1057426977.

The spelling of 84088545 in words is "eighty-four million, eighty-eight thousand, five hundred forty-five".