192812322815 has 64 divisors (see below), whose sum is σ = 272034028800. Its totient is φ = 128465326080.

The previous prime is 192812322779. The next prime is 192812322839. The reversal of 192812322815 is 518223218291.

It is a happy number.

It is a Cunningham number, because it is equal to 439104²-1.

It is not a de Polignac number, because 192812322815 - 2⁶ = 192812322751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116361467 + ... + 116363123.

It is an arithmetic number, because the mean of its divisors is an integer number (4250531700).

Almost surely, 2^192812322815 is an apocalyptic number.

192812322815 is a deficient number, since it is larger than the sum of its proper divisors (79221705985).

192812322815 is a wasteful number, since it uses less digits than its factorization.

With its successor (192812322816) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2292).

192812322815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292.

The product of its digits is 138240, while the sum is 44.

The spelling of 192812322815 in words is "one hundred ninety-two billion, eight hundred twelve million, three hundred twenty-two thousand, eight hundred fifteen".