235887040819 has 4 divisors (see below), whose sum is σ = 241640383320. Its totient is φ = 230133698320.

The previous prime is 235887040759. The next prime is 235887040843. The reversal of 235887040819 is 918040788532.

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 235887040819 - 2⁷ = 235887040691 is a prime.

It is a super-2 number, since 2×235887040819² (a number of 24 digits) contains 22 as substring.

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 235887040819.

It is not an unprimeable number, because it can be changed into a prime (235887040849) 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, 2876671189 + ... + 2876671270.

It is an arithmetic number, because the mean of its divisors is an integer number (60410095830).

Almost surely, 2^235887040819 is an apocalyptic number.

235887040819 is a deficient number, since it is larger than the sum of its proper divisors (5753342501).

235887040819 is an equidigital number, since it uses as much as digits as its factorization.

235887040819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753342500.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 235887040819 in words is "two hundred thirty-five billion, eight hundred eighty-seven million, forty thousand, eight hundred nineteen".