86876928 has 72 divisors (see below), whose sum is σ = 256930800. Its totient is φ = 28956672.

The previous prime is 86876903. The next prime is 86876939. The reversal of 86876928 is 82967868.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628 + ... + 13196.

Almost surely, 2^86876928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86876928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128465400).

86876928 is an abundant number, since it is smaller than the sum of its proper divisors (170053872).

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

86876928 is a wasteful number, since it uses less digits than its factorization.

86876928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12594 (or 12574 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 86876928 is about 9320.7793665551. The cubic root of 86876928 is about 442.8957218460.

The spelling of 86876928 in words is "eighty-six million, eight hundred seventy-six thousand, nine hundred twenty-eight".