87284677 has 2 divisors, whose sum is σ = 87284678. Its totient is φ = 87284676.

The previous prime is 87284669. The next prime is 87284737. The reversal of 87284677 is 77648278.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53714241 + 33570436 = 7329^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 87284677 - 2³ = 87284669 is a prime.

It is a super-2 number, since 2×87284677² = 15237229677988658, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87284677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87287677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43642338 + 43642339.

It is an arithmetic number, because the mean of its divisors is an integer number (43642339).

Almost surely, 2^87284677 is an apocalyptic number.

It is an amenable number.

87284677 is a deficient number, since it is larger than the sum of its proper divisors (1).

87284677 is an equidigital number, since it uses as much as digits as its factorization.

87284677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1053696, while the sum is 49.

The square root of 87284677 is about 9342.6268789886. The cubic root of 87284677 is about 443.5875376448.

The spelling of 87284677 in words is "eighty-seven million, two hundred eighty-four thousand, six hundred seventy-seven".