82712587 has 2 divisors, whose sum is σ = 82712588. Its totient is φ = 82712586.

The previous prime is 82712573. The next prime is 82712593. The reversal of 82712587 is 78521728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82712587 - 2⁷ = 82712459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82712507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41356293 + 41356294.

It is an arithmetic number, because the mean of its divisors is an integer number (41356294).

Almost surely, 2^82712587 is an apocalyptic number.

82712587 is a deficient number, since it is larger than the sum of its proper divisors (1).

82712587 is an equidigital number, since it uses as much as digits as its factorization.

82712587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 40.

The square root of 82712587 is about 9094.6460623820. The cubic root of 82712587 is about 435.7029845215.

The spelling of 82712587 in words is "eighty-two million, seven hundred twelve thousand, five hundred eighty-seven".