2777938397772 has 96 divisors (see below), whose sum is σ = 6782460398784. Its totient is φ = 884136960000.

The previous prime is 2777938397723. The next prime is 2777938397789.

2777938397772 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×2777938397772³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4793272 + ... + 5341472.

It is an arithmetic number, because the mean of its divisors is an integer number (70650629154).

Almost surely, 2^{2777938397772} is an apocalyptic number.

It is an amenable number.

2777938397772 is an abundant number, since it is smaller than the sum of its proper divisors (4004522001012).

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

2777938397772 is a wasteful number, since it uses less digits than its factorization.

2777938397772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548459 (or 548457 counting only the distinct ones).

The product of its digits is 2744515872, while the sum is 78.

The spelling of 2777938397772 in words is "two trillion, seven hundred seventy-seven billion, nine hundred thirty-eight million, three hundred ninety-seven thousand, seven hundred seventy-two".