3866801790 has 16 divisors (see below), whose sum is σ = 9280324368. Its totient is φ = 1031147136.

The previous prime is 3866801683. The next prime is 3866801803. The reversal of 3866801790 is 971086683.

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, 64446667 + ... + 64446726.

It is an arithmetic number, because the mean of its divisors is an integer number (580020273).

Almost surely, 2^3866801790 is an apocalyptic number.

3866801790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3866801790 is an abundant number, since it is smaller than the sum of its proper divisors (5413522578).

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

3866801790 is a wasteful number, since it uses less digits than its factorization.

3866801790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128893403.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 3866801790 is about 62183.6135167457. The cubic root of 3866801790 is about 1569.5818581639.

The spelling of 3866801790 in words is "three billion, eight hundred sixty-six million, eight hundred one thousand, seven hundred ninety".