78702841349 has 8 divisors (see below), whose sum is σ = 88818253920. Its totient is φ = 69080863600.

The previous prime is 78702841339. The next prime is 78702841367. The reversal of 78702841349 is 94314820787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78702841349 - 2⁸ = 78702841093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78702841349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78702841309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123358367 + ... + 123359004.

It is an arithmetic number, because the mean of its divisors is an integer number (11102281740).

Almost surely, 2^78702841349 is an apocalyptic number.

It is an amenable number.

78702841349 is a deficient number, since it is larger than the sum of its proper divisors (10115412571).

78702841349 is a wasteful number, since it uses less digits than its factorization.

78702841349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246717411.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 78702841349 in words is "seventy-eight billion, seven hundred two million, eight hundred forty-one thousand, three hundred forty-nine".