140447623679 has 16 divisors (see below), whose sum is σ = 153966735360. Its totient is φ = 127054472160.

The previous prime is 140447623633. The next prime is 140447623783. The reversal of 140447623679 is 976326744041.

It is a happy number.

It is not a de Polignac number, because 140447623679 - 2¹² = 140447619583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140447623679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140447623609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3801554 + ... + 3838320.

It is an arithmetic number, because the mean of its divisors is an integer number (9622920960).

Almost surely, 2^140447623679 is an apocalyptic number.

140447623679 is a deficient number, since it is larger than the sum of its proper divisors (13519111681).

140447623679 is a wasteful number, since it uses less digits than its factorization.

140447623679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38470.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 140447623679 in words is "one hundred forty billion, four hundred forty-seven million, six hundred twenty-three thousand, six hundred seventy-nine".