82287066 has 16 divisors (see below), whose sum is σ = 166113504. Its totient is φ = 27172464.

The previous prime is 82287019. The next prime is 82287071. The reversal of 82287066 is 66078228.

It is a super-2 number, since 2×82287066² = 13542322461776712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63445 + ... + 64728.

It is an arithmetic number, because the mean of its divisors is an integer number (10382094).

Almost surely, 2^82287066 is an apocalyptic number.

82287066 is an abundant number, since it is smaller than the sum of its proper divisors (83826438).

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

82287066 is a wasteful number, since it uses less digits than its factorization.

82287066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128285.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 82287066 is about 9071.2218581622. The cubic root of 82287066 is about 434.9545308532.

The spelling of 82287066 in words is "eighty-two million, two hundred eighty-seven thousand, sixty-six".