8872578 has 80 divisors (see below), whose sum is σ = 23417856. Its totient is φ = 2475360.

The previous prime is 8872573. The next prime is 8872583. The reversal of 8872578 is 8752788.

It is a happy number.

8872578 is a `hidden beast` number, since 8 + 8 + 72 + 578 = 666.

8872578 is a nontrivial binomial coefficient, being equal to C(4213, 2).

It is an interprime number because it is at equal distance from previous prime (8872573) and next prime (8872583).

It is not an unprimeable number, because it can be changed into a prime (8872573) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22975 + ... + 23357.

Almost surely, 2^8872578 is an apocalyptic number.

8872578 is the 4212-nd triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8872578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11708928).

8872578 is an abundant number, since it is smaller than the sum of its proper divisors (14545278).

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

8872578 is a wasteful number, since it uses less digits than its factorization.

8872578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 412 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 8872578 is about 2978.6872947659. The cubic root of 8872578 is about 207.0220518410.

The spelling of 8872578 in words is "eight million, eight hundred seventy-two thousand, five hundred seventy-eight".