86640629335126 has 4 divisors (see below), whose sum is σ = 129960944002692. Its totient is φ = 43320314667562.

The previous prime is 86640629335121. The next prime is 86640629335199. The reversal of 86640629335126 is 62153392604668.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86640629335121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21660157333780 + ... + 21660157333783.

It is an arithmetic number, because the mean of its divisors is an integer number (32490236000673).

Almost surely, 2^{86640629335126} is an apocalyptic number.

86640629335126 is a deficient number, since it is larger than the sum of its proper divisors (43320314667566).

86640629335126 is a wasteful number, since it uses less digits than its factorization.

86640629335126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43320314667565.

The product of its (nonzero) digits is 67184640, while the sum is 61.

The spelling of 86640629335126 in words is "eighty-six trillion, six hundred forty billion, six hundred twenty-nine million, three hundred thirty-five thousand, one hundred twenty-six".