86765034921 has 8 divisors (see below), whose sum is σ = 116104355904. Its totient is φ = 57634535280.

The previous prime is 86765034913. The next prime is 86765034947. The reversal of 86765034921 is 12943056768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86765034921 - 2³ = 86765034913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86765034121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52204365 + ... + 52206026.

It is an arithmetic number, because the mean of its divisors is an integer number (14513044488).

It is a 2-persistent number, because it is pandigital, and so is 2⋅86765034921 = 173530069842, but 3⋅86765034921 = 260295104763 is not.

Almost surely, 2^86765034921 is an apocalyptic number.

It is an amenable number.

86765034921 is a deficient number, since it is larger than the sum of its proper divisors (29339320983).

86765034921 is a wasteful number, since it uses less digits than its factorization.

86765034921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104410671.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 86765034921 in words is "eighty-six billion, seven hundred sixty-five million, thirty-four thousand, nine hundred twenty-one".