86689391027570 has 8 divisors (see below), whose sum is σ = 156040903849644. Its totient is φ = 34675756411024.

The previous prime is 86689391027567. The next prime is 86689391027579. The reversal of 86689391027570 is 7572019398668.

It can be written as a sum of positive squares in 2 ways, for example, as 79807011309529 + 6882379718041 = 8933477^2 + 2623429^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 86689391027494 and 86689391027503.

It is not an unprimeable number, because it can be changed into a prime (86689391027579) 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, 4334469551369 + ... + 4334469551388.

Almost surely, 2^{86689391027570} is an apocalyptic number.

86689391027570 is a deficient number, since it is larger than the sum of its proper divisors (69351512822074).

86689391027570 is a wasteful number, since it uses less digits than its factorization.

86689391027570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668939102764.

The product of its (nonzero) digits is 274337280, while the sum is 71.

The spelling of 86689391027570 in words is "eighty-six trillion, six hundred eighty-nine billion, three hundred ninety-one million, twenty-seven thousand, five hundred seventy".