78230298 has 16 divisors (see below), whose sum is σ = 161508096. Its totient is φ = 25235520.

The previous prime is 78230261. The next prime is 78230357. The reversal of 78230298 is 89203287.

It is a super-2 number, since 2×78230298² = 12239959050337608, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 210111 + ... + 210482.

It is an arithmetic number, because the mean of its divisors is an integer number (10094256).

Almost surely, 2^78230298 is an apocalyptic number.

78230298 is an abundant number, since it is smaller than the sum of its proper divisors (83277798).

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

78230298 is a wasteful number, since it uses less digits than its factorization.

78230298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420629.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 78230298 is about 8844.7893134885. The cubic root of 78230298 is about 427.6859612966.

The spelling of 78230298 in words is "seventy-eight million, two hundred thirty thousand, two hundred ninety-eight".