82909347 has 8 divisors (see below), whose sum is σ = 114357840. Its totient is φ = 53366880.

The previous prime is 82909313. The next prime is 82909361. The reversal of 82909347 is 74390928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82909347 - 2⁸ = 82909091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82909299 and 82909308.

It is not an unprimeable number, because it can be changed into a prime (82909247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476404 + ... + 476577.

It is an arithmetic number, because the mean of its divisors is an integer number (14294730).

Almost surely, 2^82909347 is an apocalyptic number.

82909347 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

82909347 is a deficient number, since it is larger than the sum of its proper divisors (31448493).

82909347 is a wasteful number, since it uses less digits than its factorization.

82909347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953013.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 82909347 is about 9105.4569901790. The cubic root of 82909347 is about 436.0482001394.

The spelling of 82909347 in words is "eighty-two million, nine hundred nine thousand, three hundred forty-seven".