1377628743 has 16 divisors (see below), whose sum is σ = 1850088960. Its totient is φ = 911817984.

The previous prime is 1377628739. The next prime is 1377628783. The reversal of 1377628743 is 3478267731.

It is not a de Polignac number, because 1377628743 - 2² = 1377628739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377628692 and 1377628701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377628783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250380 + ... + 255822.

It is an arithmetic number, because the mean of its divisors is an integer number (115630560).

Almost surely, 2^1377628743 is an apocalyptic number.

1377628743 is a deficient number, since it is larger than the sum of its proper divisors (472460217).

1377628743 is a wasteful number, since it uses less digits than its factorization.

1377628743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038.

The product of its digits is 1185408, while the sum is 48.

The square root of 1377628743 is about 37116.4214735203. The cubic root of 1377628743 is about 1112.6982332104.

The spelling of 1377628743 in words is "one billion, three hundred seventy-seven million, six hundred twenty-eight thousand, seven hundred forty-three".