1285676678384 has 20 divisors (see below), whose sum is σ = 2846855502384. Its totient is φ = 551004290688.

The previous prime is 1285676678371. The next prime is 1285676678387. The reversal of 1285676678384 is 4838766765821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285676678387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5739627917 + ... + 5739628140.

Almost surely, 2^{1285676678384} is an apocalyptic number.

1285676678384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1285676678384 is an abundant number, since it is smaller than the sum of its proper divisors (1561178824000).

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

1285676678384 is a wasteful number, since it uses less digits than its factorization.

1285676678384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11479256072 (or 11479256066 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 71.

The spelling of 1285676678384 in words is "one trillion, two hundred eighty-five billion, six hundred seventy-six million, six hundred seventy-eight thousand, three hundred eighty-four".