2002539102678 has 32 divisors (see below), whose sum is σ = 4465274940000. Its totient is φ = 665234827488.

The previous prime is 2002539102631. The next prime is 2002539102679. The reversal of 2002539102678 is 8762019352002.

2002539102678 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 539 + 102 + 6 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002539102679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63267553 + ... + 63299196.

It is an arithmetic number, because the mean of its divisors is an integer number (139539841875).

Almost surely, 2^{2002539102678} is an apocalyptic number.

2002539102678 is an abundant number, since it is smaller than the sum of its proper divisors (2462735837322).

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

2002539102678 is a wasteful number, since it uses less digits than its factorization.

2002539102678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126567053 (or 126567047 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 2002539102678 in words is "two trillion, two billion, five hundred thirty-nine million, one hundred two thousand, six hundred seventy-eight".