78478604370 has 48 divisors (see below), whose sum is σ = 204515707032. Its totient is φ = 20879285760.

The previous prime is 78478604339. The next prime is 78478604401. The reversal of 78478604370 is 7340687487.

78478604370 is a `hidden beast` number, since 7 + 8 + 478 + 60 + 43 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (78478604339) and next prime (78478604401).

It can be written as a sum of positive squares in 4 ways, for example, as 51203090961 + 27275513409 = 226281^2 + 165153^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 967941 + ... + 1045880.

Almost surely, 2^78478604370 is an apocalyptic number.

78478604370 is an abundant number, since it is smaller than the sum of its proper divisors (126037102662).

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

78478604370 is a wasteful number, since it uses less digits than its factorization.

78478604370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014267 (or 2014264 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 78478604370 in words is "seventy-eight billion, four hundred seventy-eight million, six hundred four thousand, three hundred seventy".