3868537830 has 16 divisors (see below), whose sum is σ = 9284490864. Its totient is φ = 1031610080.

The previous prime is 3868537823. The next prime is 3868537847. The reversal of 3868537830 is 387358683.

It is a happy number.

It is a super-3 number, since 3×3868537830³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 64475601 + ... + 64475660.

It is an arithmetic number, because the mean of its divisors is an integer number (580280679).

Almost surely, 2^3868537830 is an apocalyptic number.

3868537830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3868537830 is an abundant number, since it is smaller than the sum of its proper divisors (5415953034).

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

3868537830 is a wasteful number, since it uses less digits than its factorization.

3868537830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128951271.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 3868537830 is about 62197.5709332768. The cubic root of 3868537830 is about 1569.8167162675.

The spelling of 3868537830 in words is "three billion, eight hundred sixty-eight million, five hundred thirty-seven thousand, eight hundred thirty".