78998200 has 48 divisors (see below), whose sum is σ = 193347000. Its totient is φ = 29934720.

The previous prime is 78998197. The next prime is 78998209. The reversal of 78998200 is 289987.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78998209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6595 + ... + 14194.

Almost surely, 2^78998200 is an apocalyptic number.

It is an amenable number.

78998200 is an abundant number, since it is smaller than the sum of its proper divisors (114348800).

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

78998200 is a wasteful number, since it uses less digits than its factorization.

78998200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20824 (or 20815 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 78998200 is about 8888.0931588277. The cubic root of 78998200 is about 429.0807838117.

It can be divided in two parts, 789 and 98200, that added together give a palindrome (98989).

The spelling of 78998200 in words is "seventy-eight million, nine hundred ninety-eight thousand, two hundred".