80912850 has 96 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 20159040.

The previous prime is 80912801. The next prime is 80912851. The reversal of 80912850 is 5821908.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80912851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161901 + ... + 162399.

It is an arithmetic number, because the mean of its divisors is an integer number (2232000).

Almost surely, 2^80912850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80912850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

80912850 is an abundant number, since it is smaller than the sum of its proper divisors (133359150).

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

80912850 is a wasteful number, since it uses less digits than its factorization.

80912850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 80912850 is about 8995.1570303136. The cubic root of 80912850 is about 432.5196400361.

The spelling of 80912850 in words is "eighty million, nine hundred twelve thousand, eight hundred fifty".