78134300 has 36 divisors (see below), whose sum is σ = 170093280. Its totient is φ = 31153920.

The previous prime is 78134297. The next prime is 78134317. The reversal of 78134300 is 343187.

It is a super-2 number, since 2×78134300² = 12209937672980000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78134300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35636 + ... + 37764.

Almost surely, 2^78134300 is an apocalyptic number.

It is an amenable number.

78134300 is an abundant number, since it is smaller than the sum of its proper divisors (91958980).

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

78134300 is a wasteful number, since it uses less digits than its factorization.

78134300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 78134300 is about 8839.3608366216. The cubic root of 78134300 is about 427.5109489575.

Adding to 78134300 its reverse (343187), we get a palindrome (78477487).

The spelling of 78134300 in words is "seventy-eight million, one hundred thirty-four thousand, three hundred".