1377056378 has 16 divisors (see below), whose sum is σ = 2096390400. Its totient is φ = 678282336.

The previous prime is 1377056377. The next prime is 1377056383. The reversal of 1377056378 is 8736507731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1377056371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127223 + ... + 137621.

It is an arithmetic number, because the mean of its divisors is an integer number (131024400).

Almost surely, 2^1377056378 is an apocalyptic number.

1377056378 is a deficient number, since it is larger than the sum of its proper divisors (719334022).

1377056378 is a wasteful number, since it uses less digits than its factorization.

1377056378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 1377056378 is about 37108.7102713096. The cubic root of 1377056378 is about 1112.5441138590.

The spelling of 1377056378 in words is "one billion, three hundred seventy-seven million, fifty-six thousand, three hundred seventy-eight".