420059667 has 6 divisors (see below), whose sum is σ = 560126892. Its totient is φ = 280016112.

The previous prime is 420059663. The next prime is 420059671. The reversal of 420059667 is 766950024.

It is an interprime number because it is at equal distance from previous prime (420059663) and next prime (420059671).

It is not a de Polignac number, because 420059667 - 2² = 420059663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420059663) 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, 29583 + ... + 41415.

It is an arithmetic number, because the mean of its divisors is an integer number (93354482).

Almost surely, 2^420059667 is an apocalyptic number.

420059667 is a deficient number, since it is larger than the sum of its proper divisors (140067225).

420059667 is an frugal number, since it uses more digits than its factorization.

420059667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23669 (or 11836 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 420059667 is about 20495.3572059625. The cubic root of 420059667 is about 748.9227004195.

The spelling of 420059667 in words is "four hundred twenty million, fifty-nine thousand, six hundred sixty-seven".