286996378471 has 4 divisors (see below), whose sum is σ = 313086958344. Its totient is φ = 260905798600.

The previous prime is 286996378463. The next prime is 286996378489. The reversal of 286996378471 is 174873699682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 286996378471 - 2³ = 286996378463 is a prime.

It is a super-3 number, since 3×286996378471³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 286996378471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286996378411) 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, 13045289920 + ... + 13045289941.

It is an arithmetic number, because the mean of its divisors is an integer number (78271739586).

Almost surely, 2^286996378471 is an apocalyptic number.

286996378471 is a deficient number, since it is larger than the sum of its proper divisors (26090579873).

286996378471 is a wasteful number, since it uses less digits than its factorization.

286996378471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26090579872.

The product of its digits is 219469824, while the sum is 70.

The spelling of 286996378471 in words is "two hundred eighty-six billion, nine hundred ninety-six million, three hundred seventy-eight thousand, four hundred seventy-one".