87236488143 has 96 divisors (see below), whose sum is σ = 150390624384. Its totient is φ = 47692800000.

The previous prime is 87236488121. The next prime is 87236488189. The reversal of 87236488143 is 34188463278.

It is not a de Polignac number, because 87236488143 - 2¹² = 87236484047 is a prime.

It is a super-2 number, since 2×87236488143² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87236488143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87236488103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72635943 + ... + 72637143.

It is an arithmetic number, because the mean of its divisors is an integer number (1566569004).

Almost surely, 2^87236488143 is an apocalyptic number.

87236488143 is a deficient number, since it is larger than the sum of its proper divisors (63154136241).

87236488143 is a wasteful number, since it uses less digits than its factorization.

87236488143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1774 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 87236488143 in words is "eighty-seven billion, two hundred thirty-six million, four hundred eighty-eight thousand, one hundred forty-three".