86953906751 has 4 divisors (see below), whose sum is σ = 87166508400. Its totient is φ = 86741305104.

The previous prime is 86953906693. The next prime is 86953906757. The reversal of 86953906751 is 15760935968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86953906751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86953906757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106300211 + ... + 106301028.

It is an arithmetic number, because the mean of its divisors is an integer number (21791627100).

Almost surely, 2^86953906751 is an apocalyptic number.

86953906751 is a deficient number, since it is larger than the sum of its proper divisors (212601649).

86953906751 is a wasteful number, since it uses less digits than its factorization.

86953906751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212601648.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 86953906751 in words is "eighty-six billion, nine hundred fifty-three million, nine hundred six thousand, seven hundred fifty-one".