86756462921 has 8 divisors (see below), whose sum is σ = 90611486784. Its totient is φ = 82908356080.

The previous prime is 86756462869. The next prime is 86756462963. The reversal of 86756462921 is 12926465768.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86756462921 is a prime.

It is a super-3 number, since 3×86756462921³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86756462021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703606 + ... + 1753791.

It is an arithmetic number, because the mean of its divisors is an integer number (11326435848).

Almost surely, 2^86756462921 is an apocalyptic number.

It is an amenable number.

86756462921 is a deficient number, since it is larger than the sum of its proper divisors (3855023863).

86756462921 is a wasteful number, since it uses less digits than its factorization.

86756462921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458511.

The product of its digits is 8709120, while the sum is 56.

The spelling of 86756462921 in words is "eighty-six billion, seven hundred fifty-six million, four hundred sixty-two thousand, nine hundred twenty-one".