84707487 has 6 divisors (see below), whose sum is σ = 122355272. Its totient is φ = 56471652.

The previous prime is 84707479. The next prime is 84707501. The reversal of 84707487 is 78470748.

It is not a de Polignac number, because 84707487 - 2³ = 84707479 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 (84707417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4705963 + ... + 4705980.

Almost surely, 2^84707487 is an apocalyptic number.

84707487 is a deficient number, since it is larger than the sum of its proper divisors (37647785).

84707487 is a wasteful number, since it uses less digits than its factorization.

84707487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411949 (or 9411946 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 84707487 is about 9203.6670409136. The cubic root of 84707487 is about 439.1780229032.

The spelling of 84707487 in words is "eighty-four million, seven hundred seven thousand, four hundred eighty-seven".