1377678342 has 8 divisors (see below), whose sum is σ = 2755356696. Its totient is φ = 459226112.

The previous prime is 1377678319. The next prime is 1377678371. The reversal of 1377678342 is 2438767731.

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

1377678342 is an admirable number.

It is a super-3 number, since 3×1377678342³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1377678291 and 1377678300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114806523 + ... + 114806534.

It is an arithmetic number, because the mean of its divisors is an integer number (344419587).

Almost surely, 2^1377678342 is an apocalyptic number.

1377678342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1377678342 is a wasteful number, since it uses less digits than its factorization.

1377678342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229613062.

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

The square root of 1377678342 is about 37117.0896218979. The cubic root of 1377678342 is about 1112.7115866042.

The spelling of 1377678342 in words is "one billion, three hundred seventy-seven million, six hundred seventy-eight thousand, three hundred forty-two".