87443656261422 has 32 divisors (see below), whose sum is σ = 185458377136032. Its totient is φ = 27391292719104.

The previous prime is 87443656261421. The next prime is 87443656261463. The reversal of 87443656261422 is 22416265634478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87443656261421) 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, 656358163 + ... + 656491374.

It is an arithmetic number, because the mean of its divisors is an integer number (5795574285501).

Almost surely, 2^{87443656261422} is an apocalyptic number.

87443656261422 is an abundant number, since it is smaller than the sum of its proper divisors (98014720874610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87443656261422 is a wasteful number, since it uses less digits than its factorization.

87443656261422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312850212.

The product of its digits is 92897280, while the sum is 60.

The spelling of 87443656261422 in words is "eighty-seven trillion, four hundred forty-three billion, six hundred fifty-six million, two hundred sixty-one thousand, four hundred twenty-two".