377721291122 has 54 divisors (see below), whose sum is σ = 664684421229. Its totient is φ = 160986185640.

The previous prime is 377721291049. The next prime is 377721291203. The reversal of 377721291122 is 221192127773.

It can be written as a sum of positive squares in 2 ways, for example, as 228291884401 + 149429406721 = 477799^2 + 386561^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=434581.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2086857872 + ... + 2086858052.

Almost surely, 2^377721291122 is an apocalyptic number.

377721291122 is a deficient number, since it is larger than the sum of its proper divisors (286963130107).

377721291122 is an frugal number, since it uses more digits than its factorization.

377721291122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 190 counting only the distinct ones).

The product of its digits is 148176, while the sum is 44.

The spelling of 377721291122 in words is "three hundred seventy-seven billion, seven hundred twenty-one million, two hundred ninety-one thousand, one hundred twenty-two".