385038538878 has 32 divisors (see below), whose sum is σ = 880876099584. Its totient is φ = 109912509792.

The previous prime is 385038538873. The next prime is 385038538879. The reversal of 385038538878 is 878835830583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385038538873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4056750 + ... + 4150577.

It is an arithmetic number, because the mean of its divisors is an integer number (27527378112).

Almost surely, 2^385038538878 is an apocalyptic number.

385038538878 is an abundant number, since it is smaller than the sum of its proper divisors (495837560706).

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

385038538878 is a wasteful number, since it uses less digits than its factorization.

385038538878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8208456.

The product of its (nonzero) digits is 154828800, while the sum is 66.

The spelling of 385038538878 in words is "three hundred eighty-five billion, thirty-eight million, five hundred thirty-eight thousand, eight hundred seventy-eight".