87842844553 has 16 divisors (see below), whose sum is σ = 92630753280. Its totient is φ = 83137049424.

The previous prime is 87842844541. The next prime is 87842844559. The reversal of 87842844553 is 35544824878.

It is a cyclic number.

It is not a de Polignac number, because 87842844553 - 2¹⁷ = 87842713481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87842844559) 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, 2882128 + ... + 2912446.

It is an arithmetic number, because the mean of its divisors is an integer number (5789422080).

Almost surely, 2^87842844553 is an apocalyptic number.

It is an amenable number.

87842844553 is a deficient number, since it is larger than the sum of its proper divisors (4787908727).

87842844553 is a wasteful number, since it uses less digits than its factorization.

87842844553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31668.

The product of its digits is 34406400, while the sum is 58.

The spelling of 87842844553 in words is "eighty-seven billion, eight hundred forty-two million, eight hundred forty-four thousand, five hundred fifty-three".