82287908778 has 8 divisors (see below), whose sum is σ = 164575817568. Its totient is φ = 27429302924.

The previous prime is 82287908737. The next prime is 82287908783. The reversal of 82287908778 is 87780978228.

It is a sphenic number, since it is the product of 3 distinct primes.

82287908778 is an admirable number.

It is a super-3 number, since 3×82287908778³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6857325726 + ... + 6857325737.

It is an arithmetic number, because the mean of its divisors is an integer number (20571977196).

Almost surely, 2^82287908778 is an apocalyptic number.

82287908778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82287908778 is a wasteful number, since it uses less digits than its factorization.

82287908778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13714651468.

The product of its (nonzero) digits is 50577408, while the sum is 66.

The spelling of 82287908778 in words is "eighty-two billion, two hundred eighty-seven million, nine hundred eight thousand, seven hundred seventy-eight".