78885412087223 has 40 divisors (see below), whose sum is σ = 93014218704000. Its totient is φ = 66892994852544.

The previous prime is 78885412087217. The next prime is 78885412087253. The reversal of 78885412087223 is 32278021458887.

It is not a de Polignac number, because 78885412087223 - 2⁸ = 78885412086967 is a prime.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 78885412087223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78885412087253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 170665178 + ... + 171126776.

It is an arithmetic number, because the mean of its divisors is an integer number (2325355467600).

Almost surely, 2^{78885412087223} is an apocalyptic number.

78885412087223 is a deficient number, since it is larger than the sum of its proper divisors (14128806616777).

78885412087223 is an equidigital number, since it uses as much as digits as its factorization.

78885412087223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462389 (or 462368 counting only the distinct ones).

The product of its (nonzero) digits is 96337920, while the sum is 65.

The spelling of 78885412087223 in words is "seventy-eight trillion, eight hundred eighty-five billion, four hundred twelve million, eighty-seven thousand, two hundred twenty-three".