1377660055 has 8 divisors (see below), whose sum is σ = 1661758992. Its totient is φ = 1096416768.

The previous prime is 1377660023. The next prime is 1377660071. The reversal of 1377660055 is 5500667731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1377660055 - 2⁵ = 1377660023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712849 + ... + 714778.

It is an arithmetic number, because the mean of its divisors is an integer number (207719874).

Almost surely, 2^1377660055 is an apocalyptic number.

1377660055 is a deficient number, since it is larger than the sum of its proper divisors (284098937).

1377660055 is a wasteful number, since it uses less digits than its factorization.

1377660055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427825.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 1377660055 is about 37116.8432790290. The cubic root of 1377660055 is about 1112.7066632859.

The spelling of 1377660055 in words is "one billion, three hundred seventy-seven million, six hundred sixty thousand, fifty-five".