78353058 has 48 divisors (see below), whose sum is σ = 188193024. Its totient is φ = 21661920.

The previous prime is 78353053. The next prime is 78353059. The reversal of 78353058 is 85035387.

It is a super-3 number, since 3×78353058³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (78353053) 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, 4816 + ... + 13412.

It is an arithmetic number, because the mean of its divisors is an integer number (3920688).

Almost surely, 2^78353058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78353058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94096512).

78353058 is an abundant number, since it is smaller than the sum of its proper divisors (109839966).

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

78353058 is a wasteful number, since it uses less digits than its factorization.

78353058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8647 (or 8640 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 78353058 is about 8851.7262723155. The cubic root of 78353058 is about 427.9095545046.

The spelling of 78353058 in words is "seventy-eight million, three hundred fifty-three thousand, fifty-eight".