231890047627 has 32 divisors (see below), whose sum is σ = 275503878144. Its totient is φ = 190991001600.

The previous prime is 231890047619. The next prime is 231890047633. The reversal of 231890047627 is 726740098132.

It is a happy number.

It is not a de Polignac number, because 231890047627 - 2³ = 231890047619 is a prime.

It is a super-2 number, since 2×231890047627² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231890047657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48137523 + ... + 48142339.

It is an arithmetic number, because the mean of its divisors is an integer number (8609496192).

Almost surely, 2^231890047627 is an apocalyptic number.

231890047627 is a deficient number, since it is larger than the sum of its proper divisors (43613830517).

231890047627 is a wasteful number, since it uses less digits than its factorization.

231890047627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 231890047627 in words is "two hundred thirty-one billion, eight hundred ninety million, forty-seven thousand, six hundred twenty-seven".