1228527579947 has 8 divisors (see below), whose sum is σ = 1293249034560. Its totient is φ = 1163812336200.

The previous prime is 1228527579901. The next prime is 1228527579967. The reversal of 1228527579947 is 7499757258221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1228527579947 - 2¹⁴ = 1228527563563 is a prime.

It is a super-3 number, since 3×1228527579947³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228527579967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143929 + ... + 1940522.

It is an arithmetic number, because the mean of its divisors is an integer number (161656129320).

Almost surely, 2^{1228527579947} is an apocalyptic number.

1228527579947 is a deficient number, since it is larger than the sum of its proper divisors (64721454613).

1228527579947 is a wasteful number, since it uses less digits than its factorization.

1228527579947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105433.

The product of its digits is 177811200, while the sum is 68.

The spelling of 1228527579947 in words is "one trillion, two hundred twenty-eight billion, five hundred twenty-seven million, five hundred seventy-nine thousand, nine hundred forty-seven".