385506664788 has 48 divisors (see below), whose sum is σ = 1028075819904. Its totient is φ = 110138542080.

The previous prime is 385506664709. The next prime is 385506664811. The reversal of 385506664788 is 887466605583.

It is a congruent number.

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, 1486156 + ... + 1726172.

It is an arithmetic number, because the mean of its divisors is an integer number (21418246248).

Almost surely, 2^385506664788 is an apocalyptic number.

It is an amenable number.

385506664788 is an abundant number, since it is smaller than the sum of its proper divisors (642569155116).

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

385506664788 is a wasteful number, since it uses less digits than its factorization.

385506664788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259152 (or 259150 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 66.

The spelling of 385506664788 in words is "three hundred eighty-five billion, five hundred six million, six hundred sixty-four thousand, seven hundred eighty-eight".