78852824380487 has 4 divisors (see below), whose sum is σ = 78855646527336. Its totient is φ = 78850002233640.

The previous prime is 78852824380441. The next prime is 78852824380489. The reversal of 78852824380487 is 78408342825887.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78852824380487 - 2²⁰ = 78852823331911 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 (78852824380489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411031513 + ... + 1411087394.

It is an arithmetic number, because the mean of its divisors is an integer number (19713911631834).

Almost surely, 2^{78852824380487} is an apocalyptic number.

78852824380487 is a deficient number, since it is larger than the sum of its proper divisors (2822146849).

78852824380487 is a wasteful number, since it uses less digits than its factorization.

78852824380487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822146848.

The product of its (nonzero) digits is 1541406720, while the sum is 74.

The spelling of 78852824380487 in words is "seventy-eight trillion, eight hundred fifty-two billion, eight hundred twenty-four million, three hundred eighty thousand, four hundred eighty-seven".