87309337628 has 12 divisors (see below), whose sum is σ = 153231664152. Its totient is φ = 43528862160.

The previous prime is 87309337627. The next prime is 87309337721. The reversal of 87309337628 is 82673390378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87309337627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31450103 + ... + 31452878.

It is an arithmetic number, because the mean of its divisors is an integer number (12769305346).

Almost surely, 2^87309337628 is an apocalyptic number.

It is an amenable number.

87309337628 is a deficient number, since it is larger than the sum of its proper divisors (65922326524).

87309337628 is a wasteful number, since it uses less digits than its factorization.

87309337628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62903332 (or 62903330 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 87309337628 in words is "eighty-seven billion, three hundred nine million, three hundred thirty-seven thousand, six hundred twenty-eight".