420232500087 has 4 divisors (see below), whose sum is σ = 560310000120. Its totient is φ = 280155000056.

The previous prime is 420232500047. The next prime is 420232500091. The reversal of 420232500087 is 780005232024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420232500087 - 2¹¹ = 420232498039 is a prime.

It is a super-3 number, since 3×420232500087³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420232500047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70038750012 + ... + 70038750017.

It is an arithmetic number, because the mean of its divisors is an integer number (140077500030).

Almost surely, 2^420232500087 is an apocalyptic number.

420232500087 is a deficient number, since it is larger than the sum of its proper divisors (140077500033).

420232500087 is a wasteful number, since it uses less digits than its factorization.

420232500087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140077500032.

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 420232500087 in words is "four hundred twenty billion, two hundred thirty-two million, five hundred thousand, eighty-seven".