82750286 has 4 divisors (see below), whose sum is σ = 124125432. Its totient is φ = 41375142.

The previous prime is 82750277. The next prime is 82750289. The reversal of 82750286 is 68205728.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82750289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20687570 + ... + 20687573.

It is an arithmetic number, because the mean of its divisors is an integer number (31031358).

Almost surely, 2^82750286 is an apocalyptic number.

82750286 is a deficient number, since it is larger than the sum of its proper divisors (41375146).

82750286 is a wasteful number, since it uses less digits than its factorization.

82750286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41375145.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 82750286 is about 9096.7184192982. The cubic root of 82750286 is about 435.7691698207.

The spelling of 82750286 in words is "eighty-two million, seven hundred fifty thousand, two hundred eighty-six".