3855478710 has 16 divisors (see below), whose sum is σ = 9253148976. Its totient is φ = 1028127648.

The previous prime is 3855478703. The next prime is 3855478741. The reversal of 3855478710 is 178745583.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3855478710.

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, 64257949 + ... + 64258008.

It is an arithmetic number, because the mean of its divisors is an integer number (578321811).

Almost surely, 2^3855478710 is an apocalyptic number.

3855478710 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3855478710 is an abundant number, since it is smaller than the sum of its proper divisors (5397670266).

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

3855478710 is a wasteful number, since it uses less digits than its factorization.

3855478710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128515967.

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 3855478710 is about 62092.5012380722. The cubic root of 3855478710 is about 1568.0483016822.

The spelling of 3855478710 in words is "three billion, eight hundred fifty-five million, four hundred seventy-eight thousand, seven hundred ten".