78471204 has 96 divisors (see below), whose sum is σ = 216416256. Its totient is φ = 21669120.

The previous prime is 78471203. The next prime is 78471221. The reversal of 78471204 is 40217487.

It is not an unprimeable number, because it can be changed into a prime (78471203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410749 + ... + 410939.

It is an arithmetic number, because the mean of its divisors is an integer number (2254336).

Almost surely, 2^78471204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78471204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108208128).

78471204 is an abundant number, since it is smaller than the sum of its proper divisors (137945052).

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

78471204 is a wasteful number, since it uses less digits than its factorization.

78471204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 78471204 is about 8858.3973719855. The cubic root of 78471204 is about 428.1245234086.

The spelling of 78471204 in words is "seventy-eight million, four hundred seventy-one thousand, two hundred four".