84702487 has 2 divisors, whose sum is σ = 84702488. Its totient is φ = 84702486.

The previous prime is 84702481. The next prime is 84702511. The reversal of 84702487 is 78420748.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84702487 - 2³ = 84702479 is a prime.

It is a super-2 number, since 2×84702487² = 14349022607970338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84702481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42351243 + 42351244.

It is an arithmetic number, because the mean of its divisors is an integer number (42351244).

Almost surely, 2^84702487 is an apocalyptic number.

84702487 is a deficient number, since it is larger than the sum of its proper divisors (1).

84702487 is an equidigital number, since it uses as much as digits as its factorization.

84702487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 84702487 is about 9203.3954060444. The cubic root of 84702487 is about 439.1693816626.

The spelling of 84702487 in words is "eighty-four million, seven hundred two thousand, four hundred eighty-seven".