84650378 has 8 divisors (see below), whose sum is σ = 134444772. Its totient is φ = 39835456.

The previous prime is 84650351. The next prime is 84650383. The reversal of 84650378 is 87305648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84511249 + 139129 = 9193^2 + 373^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244825 + ... + 1244892.

Almost surely, 2^84650378 is an apocalyptic number.

84650378 is a deficient number, since it is larger than the sum of its proper divisors (49794394).

84650378 is a wasteful number, since it uses less digits than its factorization.

84650378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489736.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 84650378 is about 9200.5640044510. The cubic root of 84650378 is about 439.0793041352.

The spelling of 84650378 in words is "eighty-four million, six hundred fifty thousand, three hundred seventy-eight".