420086487 has 16 divisors (see below), whose sum is σ = 579225600. Its totient is φ = 270535200.

The previous prime is 420086483. The next prime is 420086509. The reversal of 420086487 is 784680024.

It is not a de Polignac number, because 420086487 - 2² = 420086483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420086483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51937 + ... + 59477.

It is an arithmetic number, because the mean of its divisors is an integer number (36201600).

Almost surely, 2^420086487 is an apocalyptic number.

420086487 is a deficient number, since it is larger than the sum of its proper divisors (159139113).

420086487 is a wasteful number, since it uses less digits than its factorization.

420086487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 420086487 is about 20496.0114900436. The cubic root of 420086487 is about 748.9386391705.

The spelling of 420086487 in words is "four hundred twenty million, eighty-six thousand, four hundred eighty-seven".