83328678 has 48 divisors (see below), whose sum is σ = 189236736. Its totient is φ = 26450160.

The previous prime is 83328671. The next prime is 83328689. The reversal of 83328678 is 87682338.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83328671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178201 + ... + 178667.

It is an arithmetic number, because the mean of its divisors is an integer number (3942432).

Almost surely, 2^83328678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83328678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94618368).

83328678 is an abundant number, since it is smaller than the sum of its proper divisors (105908058).

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

83328678 is a wasteful number, since it uses less digits than its factorization.

83328678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 926 counting only the distinct ones).

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

The square root of 83328678 is about 9128.4543050836. The cubic root of 83328678 is about 436.7820986002.

The spelling of 83328678 in words is "eighty-three million, three hundred twenty-eight thousand, six hundred seventy-eight".