420714487 has 8 divisors (see below), whose sum is σ = 446682816. Its totient is φ = 394881792.

The previous prime is 420714479. The next prime is 420714493. The reversal of 420714487 is 784417024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420714487 - 2³ = 420714479 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 (420714887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27478 + ... + 39955.

It is an arithmetic number, because the mean of its divisors is an integer number (55835352).

Almost surely, 2^420714487 is an apocalyptic number.

420714487 is a deficient number, since it is larger than the sum of its proper divisors (25968329).

420714487 is a wasteful number, since it uses less digits than its factorization.

420714487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67817.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 420714487 is about 20511.3258225791. The cubic root of 420714487 is about 749.3116570311.

It can be divided in two parts, 420714 and 487, that added together give a square (421201 = 649²).

The spelling of 420714487 in words is "four hundred twenty million, seven hundred fourteen thousand, four hundred eighty-seven".