14978889633577 has 4 divisors (see below), whose sum is σ = 14990601041920. Its totient is φ = 14967178225236.

The previous prime is 14978889633527. The next prime is 14978889633583. The reversal of 14978889633577 is 77533698887941.

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 a cyclic number.

It is not a de Polignac number, because 14978889633577 - 2²⁷ = 14978755415849 is a prime.

It is a super-4 number, since 4×14978889633577⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14978889633494 and 14978889633503.

It is not an unprimeable number, because it can be changed into a prime (14978889633527) 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, 5855702253 + ... + 5855704810.

It is an arithmetic number, because the mean of its divisors is an integer number (3747650260480).

Almost surely, 2^{14978889633577} is an apocalyptic number.

It is an amenable number.

14978889633577 is a deficient number, since it is larger than the sum of its proper divisors (11711408343).

14978889633577 is a wasteful number, since it uses less digits than its factorization.

14978889633577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711408342.

The product of its digits is 15362887680, while the sum is 85.

The spelling of 14978889633577 in words is "fourteen trillion, nine hundred seventy-eight billion, eight hundred eighty-nine million, six hundred thirty-three thousand, five hundred seventy-seven".