82408751 has 8 divisors (see below), whose sum is σ = 83853840. Its totient is φ = 80972352.

The previous prime is 82408721. The next prime is 82408759. The reversal of 82408751 is 15780428.

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 82408751 - 2¹⁰ = 82407727 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 (82408759) 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, 18665 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (10481730).

Almost surely, 2^82408751 is an apocalyptic number.

82408751 is a deficient number, since it is larger than the sum of its proper divisors (1445089).

82408751 is a wasteful number, since it uses less digits than its factorization.

82408751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 82408751 is about 9077.9265804478. The cubic root of 82408751 is about 435.1688268805.

The spelling of 82408751 in words is "eighty-two million, four hundred eight thousand, seven hundred fifty-one".