78882015316701 has 4 divisors (see below), whose sum is σ = 105176020422272. Its totient is φ = 52588010211132.

The previous prime is 78882015316679. The next prime is 78882015316703. The reversal of 78882015316701 is 10761351028887.

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 de Polignac number, because none of the positive numbers 2^k-78882015316701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78882015316703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13147002552781 + ... + 13147002552786.

It is an arithmetic number, because the mean of its divisors is an integer number (26294005105568).

Almost surely, 2^{78882015316701} is an apocalyptic number.

It is an amenable number.

78882015316701 is a deficient number, since it is larger than the sum of its proper divisors (26294005105571).

78882015316701 is a wasteful number, since it uses less digits than its factorization.

78882015316701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26294005105570.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 78882015316701 in words is "seventy-eight trillion, eight hundred eighty-two billion, fifteen million, three hundred sixteen thousand, seven hundred one".