78530587422620 has 12 divisors (see below), whose sum is σ = 164914233587544. Its totient is φ = 31412234969040.

The previous prime is 78530587422619. The next prime is 78530587422649. The reversal of 78530587422620 is 2622478503587.

It is a hoax number, since the sum of its digits (59) 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 78530587422620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963264685546 + ... + 1963264685585.

It is an arithmetic number, because the mean of its divisors is an integer number (13742852798962).

Almost surely, 2^{78530587422620} is an apocalyptic number.

It is an amenable number.

78530587422620 is an abundant number, since it is smaller than the sum of its proper divisors (86383646164924).

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

78530587422620 is a wasteful number, since it uses less digits than its factorization.

78530587422620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926529371140 (or 3926529371138 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 78530587422620 in words is "seventy-eight trillion, five hundred thirty billion, five hundred eighty-seven million, four hundred twenty-two thousand, six hundred twenty".