78104887142 has 16 divisors (see below), whose sum is σ = 124058958480. Its totient is φ = 36752272128.

The previous prime is 78104887141. The next prime is 78104887151. The reversal of 78104887142 is 24178840187.

It is a super-2 number, since 2×78104887142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78104887141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367418 + ... + 539634.

It is an arithmetic number, because the mean of its divisors is an integer number (7753684905).

Almost surely, 2^78104887142 is an apocalyptic number.

78104887142 is a deficient number, since it is larger than the sum of its proper divisors (45954071338).

78104887142 is a wasteful number, since it uses less digits than its factorization.

78104887142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185575.

The product of its (nonzero) digits is 802816, while the sum is 50.

The spelling of 78104887142 in words is "seventy-eight billion, one hundred four million, eight hundred eighty-seven thousand, one hundred forty-two".