82746871 has 8 divisors (see below), whose sum is σ = 87899904. Its totient is φ = 77625600.

The previous prime is 82746863. The next prime is 82746877. The reversal of 82746871 is 17864728.

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

It is a cyclic number.

It is not a de Polignac number, because 82746871 - 2³ = 82746863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82746877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (10987488).

Almost surely, 2^82746871 is an apocalyptic number.

82746871 is a deficient number, since it is larger than the sum of its proper divisors (5153033).

82746871 is a wasteful number, since it uses less digits than its factorization.

82746871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881.

The product of its digits is 150528, while the sum is 43.

The square root of 82746871 is about 9096.5307123101. The cubic root of 82746871 is about 435.7631751901.

The spelling of 82746871 in words is "eighty-two million, seven hundred forty-six thousand, eight hundred seventy-one".