80961150 has 96 divisors (see below), whose sum is σ = 216557568. Its totient is φ = 19958400.

The previous prime is 80961137. The next prime is 80961169. The reversal of 80961150 is 5116908.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106572 + ... + 107328.

It is an arithmetic number, because the mean of its divisors is an integer number (2255808).

Almost surely, 2^80961150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80961150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108278784).

80961150 is an abundant number, since it is smaller than the sum of its proper divisors (135596418).

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

80961150 is a wasteful number, since it uses less digits than its factorization.

80961150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 80961150 is about 8997.8414078044. The cubic root of 80961150 is about 432.6056854672.

The spelling of 80961150 in words is "eighty million, nine hundred sixty-one thousand, one hundred fifty".