385913878 has 8 divisors (see below), whose sum is σ = 661566672. Its totient is φ = 165391656.

The previous prime is 385913873. The next prime is 385913881. The reversal of 385913878 is 878319583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385913873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13782625 + ... + 13782652.

It is an arithmetic number, because the mean of its divisors is an integer number (82695834).

Almost surely, 2^385913878 is an apocalyptic number.

385913878 is a deficient number, since it is larger than the sum of its proper divisors (275652794).

385913878 is a wasteful number, since it uses less digits than its factorization.

385913878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27565286.

The product of its digits is 1451520, while the sum is 52.

The square root of 385913878 is about 19644.6908349304. The cubic root of 385913878 is about 728.0537875869.

The spelling of 385913878 in words is "three hundred eighty-five million, nine hundred thirteen thousand, eight hundred seventy-eight".