86861625304610 has 32 divisors (see below), whose sum is σ = 168632652090672. Its totient is φ = 32023464295680.

The previous prime is 86861625304561. The next prime is 86861625304613. The reversal of 86861625304610 is 1640352616868.

It can be written as a sum of positive squares in 8 ways, for example, as 17017613308081 + 69844011996529 = 4125241^2 + 8357273^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86861625304613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505334909 + ... + 505506768.

Almost surely, 2^{86861625304610} is an apocalyptic number.

86861625304610 is a deficient number, since it is larger than the sum of its proper divisors (81771026786062).

86861625304610 is a wasteful number, since it uses less digits than its factorization.

86861625304610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010842358.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 86861625304610 in words is "eighty-six trillion, eight hundred sixty-one billion, six hundred twenty-five million, three hundred four thousand, six hundred ten".