82953047 has 4 divisors (see below), whose sum is σ = 87832656. Its totient is φ = 78073440.

The previous prime is 82953041. The next prime is 82953049. The reversal of 82953047 is 74035928.

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 82953047 - 2²⁴ = 66175831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82953047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82953041) 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, 2439779 + ... + 2439812.

It is an arithmetic number, because the mean of its divisors is an integer number (21958164).

Almost surely, 2^82953047 is an apocalyptic number.

82953047 is a deficient number, since it is larger than the sum of its proper divisors (4879609).

82953047 is a wasteful number, since it uses less digits than its factorization.

82953047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879608.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 82953047 is about 9107.8563339570. The cubic root of 82953047 is about 436.1247976928.

The spelling of 82953047 in words is "eighty-two million, nine hundred fifty-three thousand, forty-seven".