80122770 has 160 divisors (see below), whose sum is σ = 265402368. Its totient is φ = 16889472.

The previous prime is 80122747. The next prime is 80122771. The reversal of 80122770 is 7722108.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80122771) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 73167 + ... + 74253.

Almost surely, 2^80122770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80122770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132701184).

80122770 is an abundant number, since it is smaller than the sum of its proper divisors (185279598).

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

80122770 is a wasteful number, since it uses less digits than its factorization.

80122770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 80122770 is about 8951.1323306049. The cubic root of 80122770 is about 431.1072419725.

Adding to 80122770 its reverse (7722108), we get a palindrome (87844878).

The spelling of 80122770 in words is "eighty million, one hundred twenty-two thousand, seven hundred seventy".