3806807665848 has 128 divisors (see below), whose sum is σ = 11064105861120. Its totient is φ = 1079945356160.

The previous prime is 3806807665847. The next prime is 3806807665861. The reversal of 3806807665848 is 8485667086083.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806807665847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6384240 + ... + 6955007.

It is an arithmetic number, because the mean of its divisors is an integer number (86438327040).

Almost surely, 2^{3806807665848} is an apocalyptic number.

It is an amenable number.

3806807665848 is an abundant number, since it is smaller than the sum of its proper divisors (7257298195272).

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

3806807665848 is a wasteful number, since it uses less digits than its factorization.

3806807665848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13339337 (or 13339333 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 69.

The spelling of 3806807665848 in words is "three trillion, eight hundred six billion, eight hundred seven million, six hundred sixty-five thousand, eight hundred forty-eight".