82487061 has 12 divisors (see below), whose sum is σ = 119459340. Its totient is φ = 54847680.

The previous prime is 82487059. The next prime is 82487089. The reversal of 82487061 is 16078428.

It can be written as a sum of positive squares in 2 ways, for example, as 18326961 + 64160100 = 4281^2 + 8010^2 .

It is not a de Polignac number, because 82487061 - 2¹ = 82487059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82487011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8280 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (9954945).

Almost surely, 2^82487061 is an apocalyptic number.

It is an amenable number.

82487061 is a deficient number, since it is larger than the sum of its proper divisors (36972279).

82487061 is a wasteful number, since it uses less digits than its factorization.

82487061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23956 (or 23953 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 82487061 is about 9082.2387658550. The cubic root of 82487061 is about 435.3066248762.

The spelling of 82487061 in words is "eighty-two million, four hundred eighty-seven thousand, sixty-one".