283977678523 has 64 divisors (see below), whose sum is σ = 369433958400. Its totient is φ = 218139768000.

The previous prime is 283977678511. The next prime is 283977678529. The reversal of 283977678523 is 325876779382.

It is a de Polignac number, because none of the positive numbers 2^k-283977678523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283977678529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32409463 + ... + 32418223.

It is an arithmetic number, because the mean of its divisors is an integer number (5772405600).

Almost surely, 2^283977678523 is an apocalyptic number.

283977678523 is a deficient number, since it is larger than the sum of its proper divisors (85456279877).

283977678523 is an frugal number, since it uses more digits than its factorization.

283977678523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886 (or 8850 counting only the distinct ones).

The product of its digits is 213373440, while the sum is 67.

The spelling of 283977678523 in words is "two hundred eighty-three billion, nine hundred seventy-seven million, six hundred seventy-eight thousand, five hundred twenty-three".