2779780160428 has 48 divisors (see below), whose sum is σ = 4991357246400. Its totient is φ = 1353789854720.

The previous prime is 2779780160389. The next prime is 2779780160431. The reversal of 2779780160428 is 8240610879772.

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, 423163128 + ... + 423169696.

It is an arithmetic number, because the mean of its divisors is an integer number (103986609300).

Almost surely, 2^{2779780160428} is an apocalyptic number.

It is an amenable number.

2779780160428 is a deficient number, since it is larger than the sum of its proper divisors (2211577085972).

2779780160428 is a wasteful number, since it uses less digits than its factorization.

2779780160428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410 (or 10408 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 2779780160428 in words is "two trillion, seven hundred seventy-nine billion, seven hundred eighty million, one hundred sixty thousand, four hundred twenty-eight".