84188125 has 30 divisors (see below), whose sum is σ = 122421750. Its totient is φ = 57708000.

The previous prime is 84188101. The next prime is 84188149. The reversal of 84188125 is 52188148.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84188101) and next prime (84188149).

It can be written as a sum of positive squares in 5 ways, for example, as 51079609 + 33108516 = 7147^2 + 5754^2 .

It is not a de Polignac number, because 84188125 - 2²³ = 75799517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 29251 + ... + 31999.

It is an arithmetic number, because the mean of its divisors is an integer number (4080725).

Almost surely, 2^84188125 is an apocalyptic number.

It is an amenable number.

84188125 is a deficient number, since it is larger than the sum of its proper divisors (38233625).

84188125 is an equidigital number, since it uses as much as digits as its factorization.

84188125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2761 counting only the distinct ones).

The product of its digits is 20480, while the sum is 37.

The square root of 84188125 is about 9175.4087102428. The cubic root of 84188125 is about 438.2786134889.

The spelling of 84188125 in words is "eighty-four million, one hundred eighty-eight thousand, one hundred twenty-five".