385196017878 has 36 divisors (see below), whose sum is σ = 970851190140. Its totient is φ = 110056004856.

The previous prime is 385196017813. The next prime is 385196017891. The reversal of 385196017878 is 878710691583.

385196017878 is a `hidden beast` number, since 3 + 8 + 5 + 19 + 601 + 7 + 8 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 218364208 + ... + 218365971.

It is an arithmetic number, because the mean of its divisors is an integer number (26968088615).

Almost surely, 2^385196017878 is an apocalyptic number.

385196017878 is an abundant number, since it is smaller than the sum of its proper divisors (585655172262).

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

385196017878 is a wasteful number, since it uses less digits than its factorization.

385196017878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436730201 (or 436730191 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The spelling of 385196017878 in words is "three hundred eighty-five billion, one hundred ninety-six million, seventeen thousand, eight hundred seventy-eight".