84378102 has 8 divisors (see below), whose sum is σ = 168756216. Its totient is φ = 28126032.

The previous prime is 84378101. The next prime is 84378103. The reversal of 84378102 is 20187348.

It is an interprime number because it is at equal distance from previous prime (84378101) and next prime (84378103).

It is a sphenic number, since it is the product of 3 distinct primes.

84378102 is an admirable number.

It is a super-3 number, since 3×84378102³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84378101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7031503 + ... + 7031514.

It is an arithmetic number, because the mean of its divisors is an integer number (21094527).

Almost surely, 2^84378102 is an apocalyptic number.

84378102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

84378102 is a wasteful number, since it uses less digits than its factorization.

84378102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14063022.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 84378102 is about 9185.7553853779. The cubic root of 84378102 is about 438.6080356604.

The spelling of 84378102 in words is "eighty-four million, three hundred seventy-eight thousand, one hundred two".