86730239940 has 48 divisors (see below), whose sum is σ = 257129655552. Its totient is φ = 21767589376.

The previous prime is 86730239917. The next prime is 86730240001. The reversal of 86730239940 is 4993203768.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42513804 + ... + 42515843.

It is an arithmetic number, because the mean of its divisors is an integer number (5356867824).

Almost surely, 2^86730239940 is an apocalyptic number.

It is an amenable number.

86730239940 is an abundant number, since it is smaller than the sum of its proper divisors (170399415612).

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

86730239940 is a wasteful number, since it uses less digits than its factorization.

86730239940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85029676 (or 85029674 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 86730239940 in words is "eighty-six billion, seven hundred thirty million, two hundred thirty-nine thousand, nine hundred forty".