86606240115421 has 8 divisors (see below), whose sum is σ = 93306530371544. Its totient is φ = 79911417257280.

The previous prime is 86606240115397. The next prime is 86606240115511. The reversal of 86606240115421 is 12451104260668.

It can be written as a sum of positive squares in 4 ways, for example, as 37640814014521 + 48965426100900 = 6135211^2 + 6997530^2 .

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 86606240115421 - 2⁵ = 86606240115389 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 (86606240110421) 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, 1366816590 + ... + 1366879951.

It is an arithmetic number, because the mean of its divisors is an integer number (11663316296443).

Almost surely, 2^{86606240115421} is an apocalyptic number.

It is an amenable number.

86606240115421 is a deficient number, since it is larger than the sum of its proper divisors (6700290256123).

86606240115421 is a wasteful number, since it uses less digits than its factorization.

86606240115421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733698991.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 86606240115421 in words is "eighty-six trillion, six hundred six billion, two hundred forty million, one hundred fifteen thousand, four hundred twenty-one".