1377000371477 has 4 divisors (see below), whose sum is σ = 1377297335436. Its totient is φ = 1376703407520.

The previous prime is 1377000371447. The next prime is 1377000371491. The reversal of 1377000371477 is 7741730007731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 840694607236 + 536305764241 = 916894^2 + 732329^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377000371477 - 2¹⁰ = 1377000370453 is a prime.

It is a super-2 number, since 2×1377000371477² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377000371437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148475024 + ... + 148484297.

It is an arithmetic number, because the mean of its divisors is an integer number (344324333859).

Almost surely, 2^{1377000371477} is an apocalyptic number.

It is an amenable number.

1377000371477 is a deficient number, since it is larger than the sum of its proper divisors (296963959).

1377000371477 is an equidigital number, since it uses as much as digits as its factorization.

1377000371477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296963958.

The product of its (nonzero) digits is 605052, while the sum is 47.

The spelling of 1377000371477 in words is "one trillion, three hundred seventy-seven billion, three hundred seventy-one thousand, four hundred seventy-seven".