78884304525213 has 32 divisors (see below), whose sum is σ = 121066684684800. Its totient is φ = 45184840545600.

The previous prime is 78884304525209. The next prime is 78884304525253. The reversal of 78884304525213 is 31252540348887.

It is not a de Polignac number, because 78884304525213 - 2² = 78884304525209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78884304525253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149156803 + ... + 149684736.

It is an arithmetic number, because the mean of its divisors is an integer number (3783333896400).

Almost surely, 2^{78884304525213} is an apocalyptic number.

It is an amenable number.

78884304525213 is a deficient number, since it is larger than the sum of its proper divisors (42182380159587).

78884304525213 is a wasteful number, since it uses less digits than its factorization.

78884304525213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298841993.

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 78884304525213 in words is "seventy-eight trillion, eight hundred eighty-four billion, three hundred four million, five hundred twenty-five thousand, two hundred thirteen".