2947578063272 has 8 divisors (see below), whose sum is σ = 5526708868650. Its totient is φ = 1473789031632.

The previous prime is 2947578063253. The next prime is 2947578063307. The reversal of 2947578063272 is 2723608757492.

It can be written as a sum of positive squares in only one way, i.e., 2382065039236 + 565513024036 = 1543394^2 + 752006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2947578063272³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184223628947 + ... + 184223628962.

Almost surely, 2^{2947578063272} is an apocalyptic number.

It is an amenable number.

2947578063272 is a deficient number, since it is larger than the sum of its proper divisors (2579130805378).

2947578063272 is a wasteful number, since it uses less digits than its factorization.

2947578063272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368447257915 (or 368447257911 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 62.

The spelling of 2947578063272 in words is "two trillion, nine hundred forty-seven billion, five hundred seventy-eight million, sixty-three thousand, two hundred seventy-two".