80122650 has 96 divisors (see below), whose sum is σ = 208647360. Its totient is φ = 20321280.

The previous prime is 80122633. The next prime is 80122657. The reversal of 80122650 is 5622108.

It is a self number, because there is not a number n which added to its sum of digits gives 80122650.

It is not an unprimeable number, because it can be changed into a prime (80122657) 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, 491469 + ... + 491631.

It is an arithmetic number, because the mean of its divisors is an integer number (2173410).

Almost surely, 2^80122650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80122650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104323680).

80122650 is an abundant number, since it is smaller than the sum of its proper divisors (128524710).

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

80122650 is a wasteful number, since it uses less digits than its factorization.

80122650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 80122650 is about 8951.1256275398. The cubic root of 80122650 is about 431.1070267491.

Adding to 80122650 its reverse (5622108), we get a palindrome (85744758).

The spelling of 80122650 in words is "eighty million, one hundred twenty-two thousand, six hundred fifty".