283897780007672 has 128 divisors (see below), whose sum is σ = 588981630182400. Its totient is φ = 127604437137408.

The previous prime is 283897780007641. The next prime is 283897780007857. The reversal of 283897780007672 is 276700087798382.

It is a super-3 number, since 3×283897780007672³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 283897780007672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11870113058 + ... + 11870136974.

It is an arithmetic number, because the mean of its divisors is an integer number (4601418985800).

Almost surely, 2^{283897780007672} is an apocalyptic number.

It is an amenable number.

283897780007672 is an abundant number, since it is smaller than the sum of its proper divisors (305083850174728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283897780007672 is a wasteful number, since it uses less digits than its factorization.

283897780007672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29325 (or 29321 counting only the distinct ones).

The product of its (nonzero) digits is 796594176, while the sum is 74.

The spelling of 283897780007672 in words is "two hundred eighty-three trillion, eight hundred ninety-seven billion, seven hundred eighty million, seven thousand, six hundred seventy-two".