1377434826 has 24 divisors (see below), whose sum is σ = 3159998244. Its totient is φ = 432136320.

The previous prime is 1377434819. The next prime is 1377434831. The reversal of 1377434826 is 6284347731.

1377434826 is a `hidden beast` number, since 137 + 7 + 434 + 82 + 6 = 666.

1377434826 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1376484201 + 950625 = 37101^2 + 975^2 .

It is a super-3 number, since 3×1377434826³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2250405 + ... + 2251016.

Almost surely, 2^1377434826 is an apocalyptic number.

1377434826 is an abundant number, since it is smaller than the sum of its proper divisors (1782563418).

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

1377434826 is a wasteful number, since it uses less digits than its factorization.

1377434826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501446 (or 4501443 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1377434826 is about 37113.8091011957. The cubic root of 1377434826 is about 1112.6460224269.

The spelling of 1377434826 in words is "one billion, three hundred seventy-seven million, four hundred thirty-four thousand, eight hundred twenty-six".