86720702556351 has 8 divisors (see below), whose sum is σ = 120654890513280. Its totient is φ = 55300158151832.

The previous prime is 86720702556311. The next prime is 86720702556353. The reversal of 86720702556351 is 15365520702768.

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

It is a cyclic number.

It is not a de Polignac number, because 86720702556351 - 2⁷ = 86720702556223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86720702556291 and 86720702556300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86720702556353) 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, 628410888021 + ... + 628410888158.

It is an arithmetic number, because the mean of its divisors is an integer number (15081861314160).

Almost surely, 2^{86720702556351} is an apocalyptic number.

86720702556351 is a deficient number, since it is larger than the sum of its proper divisors (33934187956929).

86720702556351 is a wasteful number, since it uses less digits than its factorization.

86720702556351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256821776205.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 86720702556351 in words is "eighty-six trillion, seven hundred twenty billion, seven hundred two million, five hundred fifty-six thousand, three hundred fifty-one".