82650147 has 4 divisors (see below), whose sum is σ = 110200200. Its totient is φ = 55100096.

The previous prime is 82650143. The next prime is 82650149. The reversal of 82650147 is 74105628.

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 82650147 - 2² = 82650143 is a prime.

It is a super-3 number, since 3×82650147³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (82650143) 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, 13775022 + ... + 13775027.

It is an arithmetic number, because the mean of its divisors is an integer number (27550050).

Almost surely, 2^82650147 is an apocalyptic number.

82650147 is a deficient number, since it is larger than the sum of its proper divisors (27550053).

82650147 is a wasteful number, since it uses less digits than its factorization.

82650147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550052.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 82650147 is about 9091.2126253872. The cubic root of 82650147 is about 435.5933190562.

The spelling of 82650147 in words is "eighty-two million, six hundred fifty thousand, one hundred forty-seven".