78005950 has 24 divisors (see below), whose sum is σ = 158282280. Its totient is φ = 28365600.

The previous prime is 78005927. The next prime is 78005957. The reversal of 78005950 is 5950087.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78005957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70365 + ... + 71464.

It is an arithmetic number, because the mean of its divisors is an integer number (6595095).

Almost surely, 2^78005950 is an apocalyptic number.

78005950 is an abundant number, since it is smaller than the sum of its proper divisors (80276330).

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

78005950 is a wasteful number, since it uses less digits than its factorization.

78005950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141852 (or 141847 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 78005950 is about 8832.0977123218. The cubic root of 78005950 is about 427.2767321325.

The spelling of 78005950 in words is "seventy-eight million, five thousand, nine hundred fifty".