78461463122 has 16 divisors (see below), whose sum is σ = 134732201472. Its totient is φ = 33569632320.

The previous prime is 78461463107. The next prime is 78461463161. The reversal of 78461463122 is 22136416487.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4717154 + ... + 4733757.

It is an arithmetic number, because the mean of its divisors is an integer number (8420762592).

Almost surely, 2^78461463122 is an apocalyptic number.

78461463122 is a deficient number, since it is larger than the sum of its proper divisors (56270738350).

78461463122 is a wasteful number, since it uses less digits than its factorization.

78461463122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451513.

The product of its digits is 387072, while the sum is 44.

The spelling of 78461463122 in words is "seventy-eight billion, four hundred sixty-one million, four hundred sixty-three thousand, one hundred twenty-two".