78456300 has 72 divisors (see below), whose sum is σ = 244473936. Its totient is φ = 19311360.

The previous prime is 78456283. The next prime is 78456307. The reversal of 78456300 is 365487.

It is not an unprimeable number, because it can be changed into a prime (78456307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6159 + ... + 13958.

Almost surely, 2^78456300 is an apocalyptic number.

It is an amenable number.

78456300 is an abundant number, since it is smaller than the sum of its proper divisors (166017636).

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

78456300 is a wasteful number, since it uses less digits than its factorization.

78456300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20147 (or 20140 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 78456300 is about 8857.5560963507. The cubic root of 78456300 is about 428.0974171940.

The spelling of 78456300 in words is "seventy-eight million, four hundred fifty-six thousand, three hundred".