232291985487 has 16 divisors (see below), whose sum is σ = 326704512000. Its totient is φ = 146404425024.

The previous prime is 232291985483. The next prime is 232291985509. The reversal of 232291985487 is 784589192232.

It is not a de Polignac number, because 232291985487 - 2² = 232291985483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232291985487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232291985483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4226662 + ... + 4281267.

It is an arithmetic number, because the mean of its divisors is an integer number (20419032000).

Almost surely, 2^232291985487 is an apocalyptic number.

232291985487 is a deficient number, since it is larger than the sum of its proper divisors (94412526513).

232291985487 is a wasteful number, since it uses less digits than its factorization.

232291985487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508430.

The product of its digits is 17418240, while the sum is 60.

The spelling of 232291985487 in words is "two hundred thirty-two billion, two hundred ninety-one million, nine hundred eighty-five thousand, four hundred eighty-seven".