4277778000 has 240 divisors, whose sum is σ = 14656484544. Its totient is φ = 1073203200.

The previous prime is 4277777989. The next prime is 4277778007. The reversal of 4277778000 is 8777724.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4277778007) 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, 1732767 + ... + 1735233.

Almost surely, 2^4277778000 is an apocalyptic number.

4277778000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4277778000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7328242272).

4277778000 is an abundant number, since it is smaller than the sum of its proper divisors (10378706544).

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

4277778000 is a wasteful number, since it uses less digits than its factorization.

4277778000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 42.

The square root of 4277778000 is about 65404.7245999859. The cubic root of 4277778000 is about 1623.3272570059.

The spelling of 4277778000 in words is "four billion, two hundred seventy-seven million, seven hundred seventy-eight thousand".