78486185382 has 16 divisors (see below), whose sum is σ = 171242586432. Its totient is φ = 23783692520.

The previous prime is 78486185381. The next prime is 78486185387. The reversal of 78486185382 is 28358168487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78486185381) 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, 594592248 + ... + 594592379.

It is an arithmetic number, because the mean of its divisors is an integer number (10702661652).

Almost surely, 2^78486185382 is an apocalyptic number.

78486185382 is an abundant number, since it is smaller than the sum of its proper divisors (92756401050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78486185382 is a wasteful number, since it uses less digits than its factorization.

78486185382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189184643.

The product of its digits is 20643840, while the sum is 60.

The spelling of 78486185382 in words is "seventy-eight billion, four hundred eighty-six million, one hundred eighty-five thousand, three hundred eighty-two".