78523045226 has 32 divisors (see below), whose sum is σ = 124616318400. Its totient is φ = 37005603840.

The previous prime is 78523045219. The next prime is 78523045231. The reversal of 78523045226 is 62254032587.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16801226 + ... + 16805898.

It is an arithmetic number, because the mean of its divisors is an integer number (3894259950).

Almost surely, 2^78523045226 is an apocalyptic number.

78523045226 is a deficient number, since it is larger than the sum of its proper divisors (46093273174).

78523045226 is a wasteful number, since it uses less digits than its factorization.

78523045226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 78523045226 in words is "seventy-eight billion, five hundred twenty-three million, forty-five thousand, two hundred twenty-six".