78775350 has 48 divisors (see below), whose sum is σ = 200143440. Its totient is φ = 20492800.

The previous prime is 78775343. The next prime is 78775369. The reversal of 78775350 is 5357787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255 + ... + 12554.

It is an arithmetic number, because the mean of its divisors is an integer number (4169655).

Almost surely, 2^78775350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78775350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100071720).

78775350 is an abundant number, since it is smaller than the sum of its proper divisors (121368090).

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

78775350 is a wasteful number, since it uses less digits than its factorization.

78775350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865 (or 12860 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 78775350 is about 8875.5478704134. The cubic root of 78775350 is about 428.6769319621.

The spelling of 78775350 in words is "seventy-eight million, seven hundred seventy-five thousand, three hundred fifty".