78624562485 has 16 divisors (see below), whose sum is σ = 143770628736. Its totient is φ = 35942657088.

The previous prime is 78624562481. The next prime is 78624562507. The reversal of 78624562485 is 58426542687.

It is not a de Polignac number, because 78624562485 - 2² = 78624562481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78624562481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374402574 + ... + 374402783.

It is an arithmetic number, because the mean of its divisors is an integer number (8985664296).

Almost surely, 2^78624562485 is an apocalyptic number.

It is an amenable number.

78624562485 is a deficient number, since it is larger than the sum of its proper divisors (65146066251).

78624562485 is a wasteful number, since it uses less digits than its factorization.

78624562485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748805372.

The product of its digits is 25804800, while the sum is 57.

The spelling of 78624562485 in words is "seventy-eight billion, six hundred twenty-four million, five hundred sixty-two thousand, four hundred eighty-five".