82687541 has 8 divisors (see below), whose sum is σ = 88243200. Its totient is φ = 77208768.

The previous prime is 82687519. The next prime is 82687543. The reversal of 82687541 is 14578628.

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 82687541 - 2⁶ = 82687477 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 (82687543) 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, 16991 + ... + 21308.

It is an arithmetic number, because the mean of its divisors is an integer number (11030400).

Almost surely, 2^82687541 is an apocalyptic number.

It is an amenable number.

82687541 is a deficient number, since it is larger than the sum of its proper divisors (5555659).

82687541 is a wasteful number, since it uses less digits than its factorization.

82687541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38443.

The product of its digits is 107520, while the sum is 41.

The square root of 82687541 is about 9093.2689941517. The cubic root of 82687541 is about 435.6590020234.

The spelling of 82687541 in words is "eighty-two million, six hundred eighty-seven thousand, five hundred forty-one".