286768080 has 80 divisors (see below), whose sum is σ = 987764160. Its totient is φ = 76470912.

The previous prime is 286768049. The next prime is 286768091. The reversal of 286768080 is 80867682.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64222 + ... + 68541.

It is an arithmetic number, because the mean of its divisors is an integer number (12347052).

Almost surely, 2^286768080 is an apocalyptic number.

286768080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

286768080 is an abundant number, since it is smaller than the sum of its proper divisors (700996080).

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

286768080 is a wasteful number, since it uses less digits than its factorization.

286768080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132785 (or 132773 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 286768080 is about 16934.2280603516. The cubic root of 286768080 is about 659.4425044281.

The spelling of 286768080 in words is "two hundred eighty-six million, seven hundred sixty-eight thousand, eighty".