1377608838 has 32 divisors (see below), whose sum is σ = 2939587200. Its totient is φ = 428887680.

The previous prime is 1377608833. The next prime is 1377608863. The reversal of 1377608838 is 8388067731.

It is a super-2 number, since 2×1377608838² = 3795612221071420488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377608833) 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, 38188 + ... + 64911.

It is an arithmetic number, because the mean of its divisors is an integer number (91862100).

Almost surely, 2^1377608838 is an apocalyptic number.

1377608838 is an abundant number, since it is smaller than the sum of its proper divisors (1561978362).

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

1377608838 is a wasteful number, since it uses less digits than its factorization.

1377608838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103252.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 1377608838 is about 37116.1533297835. The cubic root of 1377608838 is about 1112.6928741553.

The spelling of 1377608838 in words is "one billion, three hundred seventy-seven million, six hundred eight thousand, eight hundred thirty-eight".