86807715261 has 8 divisors (see below), whose sum is σ = 121835389920. Its totient is φ = 54825925392.

The previous prime is 86807715257. The next prime is 86807715271. The reversal of 86807715261 is 16251770868.

It is a happy number.

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

It is not a de Polignac number, because 86807715261 - 2² = 86807715257 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86807715271) 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, 761471130 + ... + 761471243.

It is an arithmetic number, because the mean of its divisors is an integer number (15229423740).

Almost surely, 2^86807715261 is an apocalyptic number.

It is an amenable number.

86807715261 is a deficient number, since it is larger than the sum of its proper divisors (35027674659).

86807715261 is a wasteful number, since it uses less digits than its factorization.

86807715261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522942395.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 86807715261 in words is "eighty-six billion, eight hundred seven million, seven hundred fifteen thousand, two hundred sixty-one".