12498992739777 has 4 divisors (see below), whose sum is σ = 16665323653040. Its totient is φ = 8332661826516.

The previous prime is 12498992739757. The next prime is 12498992739787. The reversal of 12498992739777 is 77793729989421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12498992739777 - 2¹¹ = 12498992737729 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 12498992739777.

It is not an unprimeable number, because it can be changed into a prime (12498992739707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083165456627 + ... + 2083165456632.

It is an arithmetic number, because the mean of its divisors is an integer number (4166330913260).

Almost surely, 2^{12498992739777} is an apocalyptic number.

It is an amenable number.

12498992739777 is a deficient number, since it is larger than the sum of its proper divisors (4166330913263).

12498992739777 is an equidigital number, since it uses as much as digits as its factorization.

12498992739777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166330913262.

The product of its digits is 6049137024, while the sum is 84.

The spelling of 12498992739777 in words is "twelve trillion, four hundred ninety-eight billion, nine hundred ninety-two million, seven hundred thirty-nine thousand, seven hundred seventy-seven".