234690127881 has 32 divisors (see below), whose sum is σ = 345524175360. Its totient is φ = 140507452800.

The previous prime is 234690127879. The next prime is 234690127937. The reversal of 234690127881 is 188721096432.

It is a happy number.

It is not a de Polignac number, because 234690127881 - 2¹ = 234690127879 is a prime.

It is a super-2 number, since 2×234690127881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234690127801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3167646 + ... + 3240888.

It is an arithmetic number, because the mean of its divisors is an integer number (10797630480).

Almost surely, 2^234690127881 is an apocalyptic number.

It is an amenable number.

234690127881 is a deficient number, since it is larger than the sum of its proper divisors (110834047479).

234690127881 is a wasteful number, since it uses less digits than its factorization.

234690127881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74437.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 234690127881 in words is "two hundred thirty-four billion, six hundred ninety million, one hundred twenty-seven thousand, eight hundred eighty-one".