80347950 has 144 divisors (see below), whose sum is σ = 237641040. Its totient is φ = 20113920.

The previous prime is 80347937. The next prime is 80347963. The reversal of 80347950 is 5974308.

It is an interprime number because it is at equal distance from previous prime (80347937) and next prime (80347963).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 206356 + ... + 206744.

It is an arithmetic number, because the mean of its divisors is an integer number (1650285).

Almost surely, 2^80347950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80347950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118820520).

80347950 is an abundant number, since it is smaller than the sum of its proper divisors (157293090).

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

80347950 is a wasteful number, since it uses less digits than its factorization.

80347950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 80347950 is about 8963.7018022690. The cubic root of 80347950 is about 431.5107308010.

The spelling of 80347950 in words is "eighty million, three hundred forty-seven thousand, nine hundred fifty".