78030355 has 8 divisors (see below), whose sum is σ = 100839312. Its totient is φ = 57622368.

The previous prime is 78030353. The next prime is 78030361. The reversal of 78030355 is 55303087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78030355 - 2¹ = 78030353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78030353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600169 + ... + 600298.

It is an arithmetic number, because the mean of its divisors is an integer number (12604914).

Almost surely, 2^78030355 is an apocalyptic number.

78030355 is a deficient number, since it is larger than the sum of its proper divisors (22808957).

78030355 is a wasteful number, since it uses less digits than its factorization.

78030355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200485.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 78030355 is about 8833.4792126319. The cubic root of 78030355 is about 427.3212868593.

The spelling of 78030355 in words is "seventy-eight million, thirty thousand, three hundred fifty-five".