84606678 has 48 divisors (see below), whose sum is σ = 198075696. Its totient is φ = 25945920.

The previous prime is 84606667. The next prime is 84606703. The reversal of 84606678 is 87660648.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127668 + ... + 128328.

It is an arithmetic number, because the mean of its divisors is an integer number (4126577).

Almost surely, 2^84606678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84606678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99037848).

84606678 is an abundant number, since it is smaller than the sum of its proper divisors (113469018).

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

84606678 is a wasteful number, since it uses less digits than its factorization.

84606678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 84606678 is about 9198.1888434626. The cubic root of 84606678 is about 439.0037342093.

The spelling of 84606678 in words is "eighty-four million, six hundred six thousand, six hundred seventy-eight".