947728082 has 16 divisors (see below), whose sum is σ = 1645244160. Its totient is φ = 401027328.

The previous prime is 947728073. The next prime is 947728123. The reversal of 947728082 is 280827749.

It is a happy number.

It is a super-2 number, since 2×947728082² = 1796377034822797448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427343 + ... + 429554.

It is an arithmetic number, because the mean of its divisors is an integer number (102827760).

Almost surely, 2^947728082 is an apocalyptic number.

947728082 is a deficient number, since it is larger than the sum of its proper divisors (697516078).

947728082 is a wasteful number, since it uses less digits than its factorization.

947728082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856985.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 947728082 is about 30785.1925769517. The cubic root of 947728082 is about 982.2632966202.

The spelling of 947728082 in words is "nine hundred forty-seven million, seven hundred twenty-eight thousand, eighty-two".