468140087 has 4 divisors (see below), whose sum is σ = 472515336. Its totient is φ = 463764840.

The previous prime is 468140081. The next prime is 468140143. The reversal of 468140087 is 780041864.

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 468140087 - 2²⁰ = 467091511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 468140087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468140081) 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, 2187464 + ... + 2187677.

It is an arithmetic number, because the mean of its divisors is an integer number (118128834).

Almost surely, 2^468140087 is an apocalyptic number.

468140087 is a deficient number, since it is larger than the sum of its proper divisors (4375249).

468140087 is a wasteful number, since it uses less digits than its factorization.

468140087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375248.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 468140087 is about 21636.5451724623. The cubic root of 468140087 is about 776.4710662134.

The spelling of 468140087 in words is "four hundred sixty-eight million, one hundred forty thousand, eighty-seven".