385261500078 has 96 divisors (see below), whose sum is σ = 1036456214976. Its totient is φ = 100708199424.

The previous prime is 385261500017. The next prime is 385261500103. The reversal of 385261500078 is 870005162583.

385261500078 is a `hidden beast` number, since 3 + 8 + 526 + 1 + 50 + 0 + 0 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855625 + ... + 1225812.

It is an arithmetic number, because the mean of its divisors is an integer number (10796418906).

Almost surely, 2^385261500078 is an apocalyptic number.

385261500078 is an abundant number, since it is smaller than the sum of its proper divisors (651194714898).

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

385261500078 is a wasteful number, since it uses less digits than its factorization.

385261500078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081578 (or 2081575 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 385261500078 in words is "three hundred eighty-five billion, two hundred sixty-one million, five hundred thousand, seventy-eight".