277779380112 has 480 divisors, whose sum is σ = 929369016576. Its totient is φ = 76640256000.

The previous prime is 277779380057. The next prime is 277779380143. The reversal of 277779380112 is 211083977772.

It is a super-2 number, since 2×277779380112² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56103237 + ... + 56108187.

Almost surely, 2^277779380112 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 277779380112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464684508288).

277779380112 is an abundant number, since it is smaller than the sum of its proper divisors (651589636464).

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

277779380112 is a wasteful number, since it uses less digits than its factorization.

277779380112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The spelling of 277779380112 in words is "two hundred seventy-seven billion, seven hundred seventy-nine million, three hundred eighty thousand, one hundred twelve".