87136229344 has 24 divisors (see below), whose sum is σ = 173247967368. Its totient is φ = 43136745600.

The previous prime is 87136229303. The next prime is 87136229351. The reversal of 87136229344 is 44392263178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13477002 + ... + 13483465.

It is an arithmetic number, because the mean of its divisors is an integer number (7218665307).

Almost surely, 2^87136229344 is an apocalyptic number.

It is an amenable number.

87136229344 is a deficient number, since it is larger than the sum of its proper divisors (86111738024).

87136229344 is a wasteful number, since it uses less digits than its factorization.

87136229344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26960578 (or 26960570 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The spelling of 87136229344 in words is "eighty-seven billion, one hundred thirty-six million, two hundred twenty-nine thousand, three hundred forty-four".