60777220 has 48 divisors (see below), whose sum is σ = 148635648. Its totient is φ = 20442240.

The previous prime is 60777203. The next prime is 60777229. The reversal of 60777220 is 2277706.

60777220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (60777229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325 + ... + 11515.

It is an arithmetic number, because the mean of its divisors is an integer number (3096576).

Almost surely, 2^60777220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60777220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74317824).

60777220 is an abundant number, since it is smaller than the sum of its proper divisors (87858428).

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

60777220 is a wasteful number, since it uses less digits than its factorization.

60777220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260 (or 8258 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 60777220 is about 7795.9746023188. The cubic root of 60777220 is about 393.1699135996.

The spelling of 60777220 in words is "sixty million, seven hundred seventy-seven thousand, two hundred twenty".