78882891690379 has 16 divisors (see below), whose sum is σ = 90187868146176. Its totient is φ = 67586914886400.

The previous prime is 78882891690373. The next prime is 78882891690409. The reversal of 78882891690379 is 97309619828887.

It is not a de Polignac number, because 78882891690379 - 2¹⁵ = 78882891657611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78882891690296 and 78882891690305.

It is not an unprimeable number, because it can be changed into a prime (78882891690373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865591314 + ... + 865682440.

It is an arithmetic number, because the mean of its divisors is an integer number (5636741759136).

Almost surely, 2^{78882891690379} is an apocalyptic number.

78882891690379 is a deficient number, since it is larger than the sum of its proper divisors (11304976455797).

78882891690379 is a wasteful number, since it uses less digits than its factorization.

78882891690379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139146.

The product of its (nonzero) digits is 5267275776, while the sum is 85.

The spelling of 78882891690379 in words is "seventy-eight trillion, eight hundred eighty-two billion, eight hundred ninety-one million, six hundred ninety thousand, three hundred seventy-nine".