2777738130 has 32 divisors (see below), whose sum is σ = 7407302400. Its totient is φ = 740730096.

The previous prime is 2777738101. The next prime is 2777738141. The reversal of 2777738130 is 318377772.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5143690 + ... + 5144229.

It is an arithmetic number, because the mean of its divisors is an integer number (231478200).

Almost surely, 2^2777738130 is an apocalyptic number.

2777738130 is an abundant number, since it is smaller than the sum of its proper divisors (4629564270).

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

2777738130 is a wasteful number, since it uses less digits than its factorization.

2777738130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287935 (or 10287929 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 2777738130 is about 52704.2515362850. The cubic root of 2777738130 is about 1405.7144207583.

The spelling of 2777738130 in words is "two billion, seven hundred seventy-seven million, seven hundred thirty-eight thousand, one hundred thirty".