1377853890 has 32 divisors (see below), whose sum is σ = 3779256960. Its totient is φ = 314937984.

The previous prime is 1377853877. The next prime is 1377853901. The reversal of 1377853890 is 983587731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3280395 + ... + 3280814.

It is an arithmetic number, because the mean of its divisors is an integer number (118101780).

Almost surely, 2^1377853890 is an apocalyptic number.

1377853890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1377853890 is an abundant number, since it is smaller than the sum of its proper divisors (2401403070).

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

1377853890 is a wasteful number, since it uses less digits than its factorization.

1377853890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561226.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 1377853890 is about 37119.4543332738. The cubic root of 1377853890 is about 1112.7588463047.

The spelling of 1377853890 in words is "one billion, three hundred seventy-seven million, eight hundred fifty-three thousand, eight hundred ninety".