78850348025813 has 24 divisors (see below), whose sum is σ = 99048711267072. Its totient is φ = 62217096296544.

The previous prime is 78850348025803. The next prime is 78850348025833. The reversal of 78850348025813 is 31852084305887.

It is not a de Polignac number, because 78850348025813 - 2¹² = 78850348021717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78850348025803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168409145 + ... + 168876702.

It is an arithmetic number, because the mean of its divisors is an integer number (4127029636128).

Almost surely, 2^{78850348025813} is an apocalyptic number.

It is an amenable number.

78850348025813 is a deficient number, since it is larger than the sum of its proper divisors (20198363241259).

78850348025813 is a wasteful number, since it uses less digits than its factorization.

78850348025813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337286241 (or 337286234 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 78850348025813 in words is "seventy-eight trillion, eight hundred fifty billion, three hundred forty-eight million, twenty-five thousand, eight hundred thirteen".