78298298 has 16 divisors (see below), whose sum is σ = 126766080. Its totient is φ = 36056496.

The previous prime is 78298291. The next prime is 78298321. The reversal of 78298298 is 89289287.

It is a super-2 number, since 2×78298298² = 12261246939393608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78298291) 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, 9311 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (7922880).

Almost surely, 2^78298298 is an apocalyptic number.

78298298 is a deficient number, since it is larger than the sum of its proper divisors (48467782).

78298298 is a wasteful number, since it uses less digits than its factorization.

78298298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781.

The product of its digits is 1161216, while the sum is 53.

The square root of 78298298 is about 8848.6325497220. The cubic root of 78298298 is about 427.8098443432.

The spelling of 78298298 in words is "seventy-eight million, two hundred ninety-eight thousand, two hundred ninety-eight".