78430950 has 192 divisors, whose sum is σ = 240609600. Its totient is φ = 18662400.

The previous prime is 78430949. The next prime is 78431029. The reversal of 78430950 is 5903487.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 719496 + ... + 719604.

It is an arithmetic number, because the mean of its divisors is an integer number (1253175).

Almost surely, 2^78430950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78430950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120304800).

78430950 is an abundant number, since it is smaller than the sum of its proper divisors (162178650).

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

78430950 is a wasteful number, since it uses less digits than its factorization.

78430950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 78430950 is about 8856.1249991178. The cubic root of 78430950 is about 428.0513047358.

The spelling of 78430950 in words is "seventy-eight million, four hundred thirty thousand, nine hundred fifty".