78474709910 has 16 divisors (see below), whose sum is σ = 148688924400. Its totient is φ = 29737784736.

The previous prime is 78474709889. The next prime is 78474709933. The reversal of 78474709910 is 1990747487.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206512205 + ... + 206512584.

It is an arithmetic number, because the mean of its divisors is an integer number (9293057775).

Almost surely, 2^78474709910 is an apocalyptic number.

78474709910 is a deficient number, since it is larger than the sum of its proper divisors (70214214490).

78474709910 is a wasteful number, since it uses less digits than its factorization.

78474709910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413024815.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 78474709910 in words is "seventy-eight billion, four hundred seventy-four million, seven hundred nine thousand, nine hundred ten".