78846135941 has 4 divisors (see below), whose sum is σ = 82274228832. Its totient is φ = 75418043052.

The previous prime is 78846135919. The next prime is 78846135959. The reversal of 78846135941 is 14953164887.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78846135941 - 2⁶ = 78846135877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78846135961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714046411 + ... + 1714046456.

It is an arithmetic number, because the mean of its divisors is an integer number (20568557208).

Almost surely, 2^78846135941 is an apocalyptic number.

It is an amenable number.

78846135941 is a deficient number, since it is larger than the sum of its proper divisors (3428092891).

78846135941 is a wasteful number, since it uses less digits than its factorization.

78846135941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428092890.

The product of its digits is 5806080, while the sum is 56.

The spelling of 78846135941 in words is "seventy-eight billion, eight hundred forty-six million, one hundred thirty-five thousand, nine hundred forty-one".