82487511 has 8 divisors (see below), whose sum is σ = 122203760. Its totient is φ = 54991656.

The previous prime is 82487507. The next prime is 82487533. The reversal of 82487511 is 11578428.

It is not a de Polignac number, because 82487511 - 2² = 82487507 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 (82487501) 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, 1527520 + ... + 1527573.

It is an arithmetic number, because the mean of its divisors is an integer number (15275470).

Almost surely, 2^82487511 is an apocalyptic number.

82487511 is a deficient number, since it is larger than the sum of its proper divisors (39716249).

82487511 is a wasteful number, since it uses less digits than its factorization.

82487511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055102 (or 3055096 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 82487511 is about 9082.2635394487. The cubic root of 82487511 is about 435.3074164655.

The spelling of 82487511 in words is "eighty-two million, four hundred eighty-seven thousand, five hundred eleven".