78065050 has 48 divisors (see below), whose sum is σ = 168471360. Its totient is φ = 26357760.

The previous prime is 78065047. The next prime is 78065051. The reversal of 78065050 is 5056087.

It is not an unprimeable number, because it can be changed into a prime (78065051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21786 + ... + 25114.

It is an arithmetic number, because the mean of its divisors is an integer number (3509820).

Almost surely, 2^78065050 is an apocalyptic number.

78065050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78065050 is an abundant number, since it is smaller than the sum of its proper divisors (90406310).

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

78065050 is a wasteful number, since it uses less digits than its factorization.

78065050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 78065050 is about 8835.4428298756. The cubic root of 78065050 is about 427.3846114258.

The spelling of 78065050 in words is "seventy-eight million, sixty-five thousand, fifty".